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 [Search a list of Patent Appplications for class 235]   CLASS 235,REGISTERS
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SECTION I - CLASS DEFINITION

This class includes machines employed for ascertaining the number of movements of various devices or machines; also, indicating devices where the purpose is to disclose the numerical extent or quantity of movement of a machine and where the device is separate and independent of the machine whose movements are to be noted; also organized machines, such as, cash-registers, fare-registers, voting machines and calculators having registering or counting devices as essential or important elements and having in addition certain other features necessary to make up the complete machines for the purposes desired. In this class are also recording calculating machines, as--recording cash-registers, and recording voting-machines, which are classified herein instead of in classes providing for the particular recording means, by reason of the analogy of the machines as entireties to other machines (cash-registers, etc.), in this class. These recording devices usually, but not invariably, comprise attachments for printing numbers.

Registers, per se, include attachments to machines where the purpose is to ascertain or count the number of movements thereof, such as engine-counters, counters for printing-presses, etc. They also include devices comprising indicating hands or pointers (or equivalents thereof), whether moved regularly or irregularly, forward or backward, in cooperation with a scale or index to disclose the numerical extent of movement.

In addition to registers, per se, the class is subdivided into various groups according to the functions of the machines classified therein.

The registering mechanisms employed in cash-registers (with the exception in Subclass References to the Current Class, below) and calculators are capable of being operated to different extents--that is, if they comprise drums having numerals from "0" to "9" on their peripheries they may be operated one step or more up to the limit at one operation, dependent upon the key or equivalent actuated. Moreover, any drum or drums (or equivalent) in the set representing different orders, as units, tens, etc., or dollars and cents, may be operated either singly or together. In these respects the registers are different in their operation from those in the other groups, where the actuator is in operative relation only with the wheel or other device of lowest order and moves the same one step at a time, the tens being "carried" as this or any other wheel completes its rotation.

Cash-registers, classified in this class, are classified machines employed in mercantile establishments for the purpose of keeping a check upon the financial transactions. These machines usually comprise keys or equivalents, registering devices, indicating-tablets, or drums to disclose to the purchaser the amount of the sale, a cash-drawer, a bell or other alarm, and various subordinate devices mainly for the purpose of compelling the clerk or cashier to completely and correctly operate the machine. It also includes machines where an autographic record of the transaction is made upon a movable strip of paper, together with means for moving the paper, a cash-drawer, and other subsidiary devices.

SECTION II - SUBCLASS REFERENCES TO THE CURRENT CLASS

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13,for a cash-register wherein a separate and independent register is connected to each key.

SECTION III - REFERENCES TO OTHER CLASSES

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15Brushing, Scrubbing, and General Cleaning,   subclasses 250.001+ for attachments for cleaning windows of registers, where only the features of the register casing and window are claimed that provide for attachment and operation of the cleaning element. When other register features are claimed, for example, an operating connection with the register mechanism, classification is in Class 235.
73Measuring and Testing,   for all registering measuring instruments wherein the register is claimed broadly or specifically in combination with significant measuring structure of the type provided for in said class. Class 235 includes only registering mechanism, per se, for measuring instruments. However, since it is usually necessary to include with the register some conventional measuring element to define a locus or setting for the register, the mere naming in a claim or claims of such conventional measuring element or its description in general terms will not exclude such claims from Class 235.
137Fluid Handling,   subclasses 551+ for fluid handling apparatus including a register in combination.
166Wells,   subclasses 64 and 250.01+ for well processes and apparatus involving registers or counting means.
221Article Dispensing,   particularly subclass 7 for article dispensing devices, not otherwise provided for, combined with dispenser operated registers.
222Dispensing,   particularly subclasses 24 through 38for registers combined with significant dispensing features.
234Selective Cutting (e.g., Punching),   subclasses 4+ for a selective punching device having means to totalize incremental values assigned to the different punches (for justification control); subclass 21 for a selective punching device having means to register the number of its operations (for control purposes).
345Computer Graphics Processing and Selective Visual Display Systems,   subclasses 418 through 475for computer graphics processing.
374Thermal Measuring and Testing,   for registering thermal measuring instruments wherein the register is claimed broadly or specifically in combination with significant measuring structure of the type provided for in said class. Class 235 includes only registering mechanism, per se, for measuring instruments. However, since it is usually necessary to include with the register some conventional measuring element to define a locus or setting for the register, the mere naming in a claim or claims of such conventional measuring element or its description in general terms will not exclude such claims from Class 235.
399Electrophotography,   subclasses 75+ for machine operation of an electrophotographic device reproducing copies, particularly subclasses 79+ for accounting of usage or copies produced.
453Coin Handling,   appropriate subclasses for coin handling subcombinations.
700Data Processing: Generic Control Systems or Specific Applications,   subclasses 1 through 89for generic data processing control systems; and subclasses 90-306 for particular applica of data processing systems or calculating computers especially sublcasses 245-264 for data processing of robot control systems.
702Data Processing: Measuring, Calibrating, or Testing,   appropriate subclasses for data processing systems or calculating computers utilized to affect a measuring, testing, or calibrating operation of an external device or quality.
704Data Processing: Speech Signal Processing, Linguistics, Language Translation and Audio Compression/Decompression,   subclasses 200+ for artificial intelligence systems that process speech signals.
706Data Processing: Artificial Intelligence,   various subclasses for artificial intelligence systems that represent, apply, and acquire knowledge.
708Electrical Computers: Arithmetic Processing and Calculating,   subclasses 1+ for hybrid computers; subclasses 100+ for digital calculating computers; and subclasses 800+ for analog computers.
714Error Detection/Correction and Fault Detection/Recovery,   subclasses 1+ for reliability and availability, fault recovery, locating, and avoidance in digital data processing systems.

SUBCLASSES

[List of Patents for class 235 subclass 1]    1MISCELLANEOUS:
 This subclass is indented under the class definition.  Subject matter not elsewhere classifiable.
  
[List of Patents for class 235 subclass 2]    2CASH REGISTERS AND RECORDERS:
 This subclass is indented under the class definition.  Cash-registers embodying both a register and a recording attachment or an attachment for printing the amount of the sale registered.

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58+,for calculators having recording mechanism.
  
[List of Patents for class 235 subclass 3]    3Check printing:
 This subclass is indented under subclass 2.  Cash-registers having in addition an attachment for feeding, printing, and delivering from the machine a check showing the amount of the sale, together with additional data, if desired, such as the date of the transaction, etc.
  
[List of Patents for class 235 subclass 4]    4CASH RECORDERS:
 This subclass is indented under the class definition.  Machines constructed like cash-registers, but having the register replaced by a recording device for preserving a record of the sales.
  
[List of Patents for class 235 subclass 5]    5Manual:
 This subclass is indented under subclass 4.  Cash-recorders containing a movable strip of paper on which a memorandum of the transaction is manually made, together with devices ordinarily found in cash-registers for moving the paper and also, if desired, other features characteristic of cash-recorders.

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242Winding, Tensioning, or Guiding,   subclasses 520+ for a machine in which an autographic record of a registered transaction is made upon movable strips of material, either singly or in duplicate, one or more of the strips being rolled up in the machine, and comprising nothing more than the strips of paper, together with a means for moving the same and rolling them within the machine.
  
[List of Patents for class 235 subclass 6]    6Departmental:
 This subclass is indented under subclass 7.  Cash-registers including two or more separate and distinct attachments for registering the sales of different clerks or departments, a single set of cash-keys, and separate keys or other devices whereby the cash-keys may be placed in operative connection with any desired registering attachments.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29,for multiple fare registers.
  
[List of Patents for class 235 subclass 7]    7CASH REGISTERS:
 This subclass is indented under the class definition.  Subject matter comprising cash-registers.
  
[List of Patents for class 235 subclass 8]    8Key set:
 This subclass is indented under subclass 7.  Cash-registers where the keys are employed merely for setting certain parts into operative position, which parts by a subsequent movement of another part of the machine are so actuated as to cause the operation of the machine.
  
[List of Patents for class 235 subclass 9]    9Crank operated:
 This subclass is indented under subclass 8.  Cash-registers operated by the rotation of a crank or the movement of a lever.

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21,for lever operated, dial cash-registers
  
[List of Patents for class 235 subclass 10]    10Drawer operated:
 This subclass is indented under subclass 8.  Cash-registers operated by the movement of the drawer.

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22,for drawer operating mechanism, per se.
  
[List of Patents for class 235 subclass 11]    11Motor operated:
 This subclass is indented under subclass 8.  Cash-registers wherein the movement of the key releases a spring or other motor which actuates the machine.

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62,for motor operated calculators.
  
[List of Patents for class 235 subclass 12]    12Key operated:
 This subclass is indented under subclass 7.  Cash-registers in which the pressing of the key causes the operation of the various parts of the cash-register, as the indicators, registers, drawer-opening devices, etc.
  
[List of Patents for class 235 subclass 13]    13Detail adders:
 This subclass is indented under subclass 12.  Cash-registers wherein a separate and independent register is connected to each key.
  
[List of Patents for class 235 subclass 14]    14Differential mechanism:
 This subclass is indented under subclass 12.  Cash-registers wherein several keys act upon the same set of register wheels, the wheels being actuated a different distance according to the value of the key operated.
  
[List of Patents for class 235 subclass 15]    15Key coupled:
 This subclass is indented under subclass 14.  Cash-registers having differential mechanism where a key-lever when actuated is connected with a coupling or "universal" bar, so that when several keys are thus coupled further pressure upon any one of such keys will cause the operation of the machine.
  
[List of Patents for class 235 subclass 16]    16Lost-motion mechanism:
 This subclass is indented under subclass 14.  Cash-registers having differential mechanism wherein the key-levers move a certain distance, depending upon the value of the key, before causing any movement of the parts to be actuated.
  
[List of Patents for class 235 subclass 17]    17Checks:
 This subclass is indented under subclass 7.  Cash-registers wherein checks or disks or the like are employed for the purpose of registering the sales.
  
[List of Patents for class 235 subclass 18]    18Ball:
 This subclass is indented under subclass 17.  Cash-registers employing a number of balls to register the sales, the balls sometimes being superposed in a transparent tube, the tube or the casing bearing graduation, so that the number corresponding to a column of any height may be ascertained from inspection, or the balls may be employed in various other ways.

SEE OR SEARCH THIS CLASS, SUBCLASS:

68,for ball calculators.
123,for ball indicators.
  
[List of Patents for class 235 subclass 19]    19Dial:
 This subclass is indented under subclass 7.  Cash-registers without keys but having a pointer movable over a dial, the pointer being moved by hand and in or by its movement causing the operation of the various parts of the machine. In this subclass the pointer traveling over the face of the dial serves as the indicator.
  
[List of Patents for class 235 subclass 20]    20Independent indicator:
 This subclass is indented under subclass 19.  Cash-registers having a separate indicator.
  
[List of Patents for class 235 subclass 21]    21Lever operated:
 This subclass is indented under subclass 19.  Cash-registers wherein a pointer or the like connected to a lever or its equivalent is moved over a graduated scale, the extent of movement determining the operation of the machine by the lever.
  
[List of Patents for class 235 subclass 22]    22Drawer-operating mechanism:
 This subclass is indented under subclass 7.  Mechanism whereby the drawer of a cash-register is opened or by which it is released so that it may be thrown open by means of a spring normally pressing against it; also, any mechanism whereby the drawer is operated in any way.
  
[List of Patents for class 235 subclass 23]    23Indicator mechanism:
 This subclass is indented under subclass 7.  Mechanism for operating or for causing to be operated the indicators of a cash-register.
  
[List of Patents for class 235 subclass 24]    24Shutters:
 This subclass is indented under subclass 23.  Subject matter comprising shutters or screens and operating devices therefore, whereby the figures on the indicators are obscured during part of the operation of the machine.

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222Dispensing,   subclass 24 for registers with shutters claimed in combination with significant dispensing features.
  
[List of Patents for class 235 subclass 25]    25Tablet droppers:
 This subclass is indented under subclass 23.  Devices for causing the dropping of the tablets of a cash-register after they have been displayed.
  
[List of Patents for class 235 subclass 26]    26Key arresters:
 This subclass is indented under subclass 7.  Devices for preventing the simultaneous operation of two or more keys or for preventing the operation of more than a pre-determined number of keys.
  
[List of Patents for class 235 subclass 27]    27Key locks:
 This subclass is indented under subclass 7.  Devices for locking the keys of a cash-register or other calculating machine against movement--as, for example, when the proprietor leaves the machine for a time and does not wish it operated during his absence.

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130,for register locking means in general.

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400Typewriting Machines,   subclasses 663+ for typewriter key locks.
  
[List of Patents for class 235 subclass 28]    28Lid registers:
 This subclass is indented under subclass 7.  Subject matter comprising registers that count or indicate the number of times the lid or cover of a cash-register has been opened.
  
[List of Patents for class 235 subclass 29]    29Multiple:
 This subclass is indented under subclass 33.  Fare-registers including two or more separate registers for indicating different classes of fare, whether such registers are entirely independent of each other or whether they have either a common trip-register or a common totalizer.
  
[List of Patents for class 235 subclass 30]    30Cab-fare indicating:
 This subclass is indented under subclass 33.  Devices attached to a cab or other vehicle, adapted to be actuated either by a time-train or according to the distance traveled, at the option of the passenger, the connection being made by the driver, said device indicating to the passenger the time or distance and the amount of fare he is to pay for such time or distance.
  
[List of Patents for class 235 subclass 31]    31Ticket delivery:
 This subclass is indented under subclass 33.  Structures containing a roll of tickets, one of which, either punched or not, is withdrawn and given to each passenger and at the same time is counted upon a register.
  
[List of Patents for class 235 subclass 32]    32Registering boxes:
 This subclass is indented under subclass 33.  Fare-boxes for street-cars etc., containing a register operated by the fare or the ticket or during the operation of the box to cause the fare to be dropped from one part to another.

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100,for coin registering boxes.
  
[List of Patents for class 235 subclass 33]    33FARE REGISTERS:
 This subclass is indented under the class definition.  Subject matter comprising machines employed in street-cars, operated by the conductor when taking fares and serving to indicate and register the number of fares taken. These machines include an operating-lever or its equivalent actuated by cords or rods accessible from any point of the car, registers, trip or total, or both, alarm devices, and various auxiliary devices, mainly for the purpose of preventing the conductor "beating" the machine.
  
[List of Patents for class 235 subclass 34]    34Dial and cylinder:
 This subclass is indented under subclass 33.  Fare-registers whose trip-register is a pointer moving around a graduated dial and whose totalizer is composed of a series of cylinders placed side by side.
  
[List of Patents for class 235 subclass 35]    35Belt:
 This subclass is indented under subclass 33.  Fare-registers whose registering devices are belts or short flat links forming endless chains, upon which the numbers are placed.
  
[List of Patents for class 235 subclass 36]    36Parallel axes:
 This subclass is indented under subclass 33.  Fare-registers having a plurality of registers located on axes parallel with each other.
  
[List of Patents for class 235 subclass 37]    37Cylinder:
 This subclass is indented under subclass 36.  Fare-registers having two sets of registering devices, as for trip and total, each set composed of a number of cylinders placed side by side.
  
[List of Patents for class 235 subclass 38]    38Dial and hand:
 This subclass is indented under subclass 36.  Fare-registers whose registering devices, whether in one set only or in two sets--trip and total--are composed of a number of pointers, each moving around a graduated dial, the pointers of each set in the higher orders being actuated one graduation when the pointer or the lower order has made a complete rotation.
  
[List of Patents for class 235 subclass 39]    39Disk:
 This subclass is indented under subclass 36.  Fare-registers including one or more sets of registering devices, each set composed of disks numbered upon their faces, the numbers showing successively through an aperture in the casing as the disks are rotated, the disks of lower orders transferring to those of higher orders as they make complete rotations.
  
[List of Patents for class 235 subclass 40]    40Single axis:
 This subclass is indented under subclass 33.  Fare-registers having one or more registers arranged on a single axis.

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34,for similarly arranged dial and cylinder fare registers.
  
[List of Patents for class 235 subclass 41]    41Concentric disk:
 This subclass is indented under subclass 40.  Fare-registers whose registering devices comprise a plurality of disks numbered on their faces and placed concentrically upon a single shaft or axis.

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78,and 116, for other single axis, concentric disk devices.
  
[List of Patents for class 235 subclass 42]    42Cylinder:
 This subclass is indented under subclass 40.  Fare-registers whose registering devices are composed of a series of drums placed side by side upon a single shaft. In some cases these drums are arranged in two sets, a trip and total, the sets being separated from each other.

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34,and 37, for other cylinder type fare registers.
  
[List of Patents for class 235 subclass 43]    43Dial and hand:
 This subclass is indented under subclass 40.  Fare-registers wherein the registering attachment comprises one or more hands moving over a dial and arranged around the same axis in a manner similar to the hour and minute hands of a clock, but ordinarily actuated step by step.
  
[List of Patents for class 235 subclass 44]    44Operating devices:
 This subclass is indented under subclass 33.  Devices other than the internal mechanism of a fare-register, for operating the same.
  
[List of Patents for class 235 subclass 45]    45Electric:
 This subclass is indented under subclass 44.  Operating devices for fare-registers composed partly of electrical circuits, cut-offs, etc.
  
[List of Patents for class 235 subclass 46]    46Punch:
 This subclass is indented under subclass 44.  Subject matter comprising registering ticket-punches and the like.
  
[List of Patents for class 235 subclass 47]    47Resetting:
 This subclass is indented under subclass 33.  Devices by which the trip-register of a fare-register is set back to zero at the beginning of a trip.
(1) Note. This subclass, while similar to subclass 144, in one respect (restoring the register-wheels to zero) differs from it in that while such restoration is going on various other operations are or may be performed-such as locking the machine against movement, setting the trip or direction indicator, moving a zero-register, etc.
  
[List of Patents for class 235 subclass 48]    48Direction indicator:
 This subclass is indented under subclass 47.  Subject matter comprising devices in a fare-register for indicating the direction the car is moving and mechanism for actuating the same.
  
[List of Patents for class 235 subclass 49]    49Hundreds indicator:
 This subclass is indented under subclass 33.  Subject matter comprising additions to the trip-register of a fare-register by which its capacity is increased.
  
[List of Patents for class 235 subclass 50]    50Recording:
 This subclass is indented under subclass 51.  Voting-machines having a device for recording upon a strip of paper or its equivalent the number of votes cast. The machine may or may not also have a registering attachment.
  
[List of Patents for class 235 subclass 51]    51VOTING MACHINES:
 This subclass is indented under the class definition.  Machines employed for mechanically casting and counting votes. These machines usually comprise keys or equivalents, one for each candidate, and in most cases a key whereby a single movement a vote can be given for the entire set of candidates for either part, interlocking mechanism for preventing votes being given for more than the proper number of candidates, and various auxiliary devices.
  
[List of Patents for class 235 subclass 52]    52Assembly:
 This subclass is indented under subclass 51.  Voting-machines by means of which legislators or members of assemblies can, by operating keys or levers, indicate a "yes" and "no" vote, these devices frequently having registers connected therewith for counting up the totals of such votes. In many cases these devices are connected with the desks of the legislators.
  
[List of Patents for class 235 subclass 53]    53Check operated:
 This subclass is indented under subclass 51.  Voting machines wherein a check or ball is employed to operate the registering device.
  
[List of Patents for class 235 subclass 54]    54Key set:
 This subclass is indented under subclass 51.  Voting-machines wherein the movement of the key sets in position for further operation certain parts, the operation of such parts and through them the registers, etc., being effected by means of a device afterwards operated, such as the door of the booth which is operated by the voter when he departs, etc.
  
[List of Patents for class 235 subclass 55]    55Key operated:
 This subclass is indented under subclass 51.  Voting-machines wherein the registering is effected by the direct action of the keys or levers.
  
[List of Patents for class 235 subclass 56]    56Vote counters:
 This subclass is indented under subclass 51.  Voting-machines whereby the votes are marked upon "Australian ballots" are enabled to be rapidly counted.

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386,for systems wherein a ballot is sensed and the results are tabulated.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 12 for a system to calculate the totals of vote returns.
  
[List of Patents for class 235 subclass 57]    57REGISTERING BALLOT BOXES:
 This subclass is indented under the class definition.  Ballot-boxes having attachments for registering the number of ballots placed therein.
  
[List of Patents for class 235 subclass 58]    58Recording:
 This subclass is indented under subclass 61.  Calculators which contain adding or other calculating mechanism and devices for recording the numbers set up or the results, or both.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50,432, 433, and 434, see subclass 60 below.
  
[List of Patents for class 235 subclass 59]    59Key operated:
 This subclass is indented under subclass 58.  Recording calculating-machines where the actuation of the key directly operates the registering and recording devices.
  
[List of Patents for class 235 subclass 60]    60Key set:
 This subclass is indented under subclass 58.  Recording calculating-machines where the depression of a key sets certain devices in position and a succeeding movement of another part, as a handle or lever, operates the machine.

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50,for recording voting machines.
59,for recording calculating machines wherein the depression of a key directly operates the registering and recording devices.
432,433 and 434, for recording calculating machines controlled by the sensing of data representing indicia on a record.

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101Printing,   subclasses 2 , 19+ and 93+ for mechanism for concurrently printing a plurality of characters, when such printing mechanism is disclosed without calculating structure or is not claimed in combination with significant calculating structure of the type provided for in Class 235.
234Selective Cutting (e.g., Punching),   appropriate subclasses, for manually controlled mechanism which records by selectively punching a sheet or web, wherein no calculating machine is included.
396Photography,   subclasses 549+ for devices wherein recording is effected by photographing selected characters on a movable member, when such devices are disclosed without calculating structure or are not claimed in combination with significant calculating structure of the type provided for in Class 235.
400Typewriting Machines,   for digit-by- digit printing mechanism for concurrently printing a plurality of characters, when such printing mechanism is disclosed without calculating structure or is not claimed in combination with significant calculating structure of the type provided for in Class 235.
  
[List of Patents for class 235 subclass 60.11]    60.11By means other than printing or punching:
 This subclass is indented under subclass 60.  Subject matter wherein the recording is effected by other than printing or punching means. This subclass receives calculators provided with photographic recording means.

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396Photography,   subclasses 549+ for devices wherein recording is effected by photographing selected characters on a movable member, when such devices are disclosed without calculating structure or are not claimed in combination with significant calculating structure of the type provided for in Class 235.
  
[List of Patents for class 235 subclass 60.12]    60.12Combined with typewriter:
 This subclass is indented under subclass 60.  Subject matter comprising a typewriter combined with a calculator, wherein the two units are each of substantially standard construction and are capable of separation and independent use.
(1) Note. These machines are generally characterized by the presence of separate and complete keyboards for each unit and the provision of locking and interlocking devices controlling the operation of the two units and/or interconnections between the typewriter keys and calculator keys, or differential actuators, to eliminate duplication in indexing amounts. This subclass receives a combined machine of the type defined even though it may have a platen common to the typewriting mechanism and to separate printing mechanism in the calculator.

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59,for typewriter calculating machines, wherein digital entries are effected in a totalizer by or with the operation of numeral keys of the typewriter.
60.38+,for typewriter calculating machines, wherein the typewriter keys control typing in the usual fashion, but digital values are set up in indexing mechanism under control of the typewriter numeral keys and are entered concurrently in a plurality of orders of the totalizing mechanism after the completion of a multi-digit typing operation.
  
[List of Patents for class 235 subclass 60.13]    60.13Multiple recording means:
 This subclass is indented under subclass 60.  Subject matter provided with a plurality of distinct recording means for recording on different portions of the same record receiving medium or for recording on different record receiving mediums.
  
[List of Patents for class 235 subclass 60.15]    60.15Non-numerical data:
 This subclass is indented under subclass 60.  Subject matter comprising devices for recording other than numerical data.
  
[List of Patents for class 235 subclass 60.16]    60.16Alphabetical:
 This subclass is indented under subclass 60.15.  Subject matter in which alphabetical data is recorded. The alphabetical recording elements may be mounted on a member which also carries numerical recording elements or on separate members, as in a typewriter calculator. This subclass only receives typewriter calculators where some feature peculiar to alphabetical printing is claimed in combination with subject matter under subclass 60.

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60.38+,see subclass 60.12 above.
  
[List of Patents for class 235 subclass 60.17]    60.17Clearance symbol:
 This subclass is indented under subclass 60.15.  Subject matter in which the recorded data comprises signs or characters for indicating the zeroizing or clearing of a totalizer or totalizers. This subclass receives devices for indicating totalizer clearance by printing in a distinctive color.

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144,for zero setting or totalizer clearing devices, per se, or when combined with means for signalling the cleared condition of a totalizer.
  
[List of Patents for class 235 subclass 60.18]    60.18Function indicating character or symbol:
 This subclass is indented under subclass 60.15.  Subject matter in which the recorded data comprises distinctive characters or symbols for the purpose of indicating the nature of some phase of a calculating operation. These characters or symbols may be indicative of the totalizer or totalizers selected for entering or total taking operations, the nature of an entering operation, as addition or subtraction or the positive or negative condition of the amount standing in a totalizer, etc.
  
[List of Patents for class 235 subclass 60.19]    60.19Distinctive color:
 This subclass is indented under subclass 60.  Subject matter wherein recording is effected in a distinctive color, as by shifting a multicolor ribbon.

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60.17,for mechanism for recording distinctive characters for indicating the zeroizing or clearing of a totalizer.
60.18,for mechanism for recording distinctive characters for the purpose of indicating the nature of some phase of a calculating operation, other than clearing a totalizer.
  
[List of Patents for class 235 subclass 60.2]    60.2True negative total recording:
 This subclass is indented under subclass 60.  Subject matter comprising mechanism for controlling the recording means to record the true total from totalizer or result receiving elements which contain a negative or overdraft amount, as a result of the subtraction of an amount or amounts which exceed the total of positive or additive entries therein, or such means as is necessarily incidental to a true negative total recording operation.
  
[List of Patents for class 235 subclass 60.22]    60.22
 This subclass is indented under subclass 60.2.  Subject matter in which electrical means are employed for reading the total from the totalizer or result receiving elements or in controlling the elements which record the true negative total.
  
[List of Patents for class 235 subclass 60.23]    60.23With split printing:
 This subclass is indented under subclass 60.  Subject matter comprising devices for selectively splitting a continuous series of printing devices into distinct and separately operating sections, generally by rendering the zero print controlling devices ineffective at the point at which splitting is effected.

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60.28,for devices for controlling zero recording in the operation of gang recording mechanism.
  
[List of Patents for class 235 subclass 60.24]    60.24With extended totals:
 This subclass is indented under subclass 60.  Subject matter including devices for causing the printing of a total by a greater number of printing elements than are employed in printing the items which are entered to form the total. Such devices are employed where overflow orders of the totalizer extend beyond the printing elements which are allocated to and are operative in item printing operations, and it is necessary to call additional printing elements into operation during total taking operations to print a total under control of these overflow orders.
  
[List of Patents for class 235 subclass 60.25]    60.25Non-recording controls:
 This subclass is indented under subclass 60.  Subject matter comprising means to disable or render ineffective the recording mechanism, whereby an amount may be entered into the calculator without being recorded. These controls are of the type usually known as "nonprint" devices.
  
[List of Patents for class 235 subclass 60.26]    60.26Non-add controls:
 This subclass is indented under subclass 60.  Subject matter comprising means to disable or render ineffective the mechanism for entering amounts into the register or totalizing means, whereby an amount may be recorded without being entered into the calculator.
  
[List of Patents for class 235 subclass 60.27]    60.27Gang recording:
 This subclass is indented under subclass 60.  Subject matter wherein a plurality of recording elements are selectively positioned in an operation and a common operator is subsequently effective to cause recording from each of said positioned elements.
  
[List of Patents for class 235 subclass 60.28]    60.28With zero recording controls:
 This subclass is indented under subclass 60.27.  Subject matter comprising devices for controlling the recording of zeros in orders in which no significant digit appears.
(1) Note. These devices are usually controlled by a higher order recording element which is positioned to record a significant digit, to cause zero recording by adjacent lower elements in which no such digit appears and to suppress zero recording from recording elements in orders above the order in which the highest significant digit appears.
(2) Note. This subclass receives manually settable devices in machines of the type provided for in subclass 60.27 for enabling or suppressing zero recording, whether in combination with the automatic devices mentioned in (1) Note or not.
  
[List of Patents for class 235 subclass 60.29]    60.29By punching:
 This subclass is indented under subclass 60.27.  Subject matter in which recording is effected by punching.

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434,for mechanism for recording by punching when claimed in combination with record controlled calculating structure.

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234Selective Cutting (e.g., Punching),   appropriate subclasses, and particularly subclass 91 for selective recording mechanism which comprises successively selected and simultaneously actuated cutting tools.
  
[List of Patents for class 235 subclass 60.3]    60.3With total taking:
 This subclass is indented under subclass 60.27.  Subject matter comprising total taking means for positioning recording elements in accordance with the settings of totalizer or result receiving elements, and such mechanism as is necessarily incidental thereto.

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2+,for means for taking totals from a totalizer in a cash register.
50,for means for taking totals from the counters in a voting machine.
60.39+,for total taking means of the digit-by-digit recording type.
432,433 and 434, for means to record the results of totals taken in record-controlled calculators.
  
[List of Patents for class 235 subclass 60.31]    60.31By zeroizing result elements:
 This subclass is indented under subclass 60.3.  Subject matter wherein the recording elements are positioned by restoring the result receiving or totalizer elements to their zero position.

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144,for zero-setting or totalizer clearing devices, per se.
  
[List of Patents for class 235 subclass 60.32]    60.32With blank cycle elimination:
 This subclass is indented under subclass 60.31.  Subject matter comprising devices for avoiding the blank cycle which is necessary in many types of calculating machines in order to condition the totalizer or other calculating structure for a total reading operation. These blank cycles are usually necessary in order to restore tripped tens carry devices to their normal positions.
  
[List of Patents for class 235 subclass 60.33]    60.33By sensing result elements:
 This subclass is indented under subclass 60.3.  Subject matter wherein the recording elements are positioned by sensing the totalizer or result elements or under control of devices which sense said totalizer or result elements. This subclass receives total sensing devices wherein the feelers are permanently engaged with the result elements.
  
[List of Patents for class 235 subclass 60.34]    60.34Combined with zeroizing:
 This subclass is indented under subclass 60.33.  Subject matter comprising mechanism for restoring the totalizer or result elements to their zero positions after the total sensing operation.

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144,for zero-setting or totalizer clearing devices, per se.
  
[List of Patents for class 235 subclass 60.35]    60.35By differential timing:
 This subclass is indented under subclass 60.3.  Subject matter wherein the selection of recording elements, or operative portions thereof, which effect recording, is controlled by impulses which are differently timed; that is, the relative timing of the controlling impulses determines the digits which are to be recorded. The differentially timed impulses are usually electrical in nature, as in electrical record controlled calculating machines. However, this subclass receives mechanical machines wherein recording elements are selected by mechanically operated means which are operated at differential times.

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432,433 and 434, for printing and punching devices, respectively, which are operated by differentially timed impulses, when claimed in combination with record controlled calculating structure.
  
[List of Patents for class 235 subclass 60.37]    60.37By direct impression from result elements:
 This subclass is indented under subclass 60.3.  Subject matter in which a total or result is recorded by taking a direct impression from a totalizer or result element, or from a recording element directly coupled thereto.
  
[List of Patents for class 235 subclass 60.38]    60.38Digit by digit recording:
 This subclass is indented under subclass 60.  Subject matter comprising recording means of the type wherein one digit is recorded at a time and escapement of the device which carries the record medium permits successive recording. This subclass receives typewriter computing means of the type wherein the typewriter keys control typing in the usual fashion. In addition, the numeral keys, by means of carriage controlled devices, cause the values of digital characters typed to be successively set up in an indexing mechanism, which mechanism controls entry of said set up values concurrently into a plurality of totalizer orders upon the completion of a multidigit typing operation. Where denominational selection of the indexing or digit receiving set up means is claimed, classification is in this subclass or indented subclasses.

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60.41+,for carriage control features, other than denominational selection, particularly subclasses 60.47+.

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234Selective Cutting (e.g., Punching),   appropriate subclasses, for a selective step-by-step punching device, and particularly subclasses 120+ for input means for such a device which may involve calculating machine structure.
  
[List of Patents for class 235 subclass 60.39]    60.39With total taking:
 This subclass is indented under subclass 60.38.  Subject matter comprising total taking means for selecting digit recording elements in accordance with the settings of a totalizer or result receiving elements, and such means as is necessarily incidental thereto.

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60.3,for gang recording means combined with total taking structure.
  
[List of Patents for class 235 subclass 60.4]    60.4Electrical:
 This subclass is indented under subclass 60.39.  Subject matter in which the total taking means is controlled, at least in part, by electrical means.
  
[List of Patents for class 235 subclass 60.41]    60.41With traveling paper carriage:
 This subclass is indented under subclass 60.  Subject matter comprising a carriage which carries the paper or other medium upon which recording is effected and is so movable as to cause recording upon different portions of the record receiving medium.

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60.38+,for carriage controlled selection of the successive denominational orders into which digital entries are effected.
  
[List of Patents for class 235 subclass 60.42]    60.42Control of carriage feed:
 This subclass is indented under subclass 60.41.  Subject matter comprising devices for controlling feeding or positioning of the carriage.
  
[List of Patents for class 235 subclass 60.44]    60.44Shuttle type operation:
 This subclass is indented under subclass 60.42.  Subject matter comprising mechanism for moving the carriage back and forth, or shutting it, between two positions.
  
[List of Patents for class 235 subclass 60.45]    60.45Power operation:
 This subclass is indented under subclass 60.42.  Subject matter comprising power means, other than the usual spring means, for moving the carriage from one position to another.
  
[List of Patents for class 235 subclass 60.46]    60.46Columnar:
 This subclass is indented under subclass 60.42.  Subject matter comprising means for selectively positioning the carriage at various columnar positions.
  
[List of Patents for class 235 subclass 60.47]    60.47Control of function by carriage:
 This subclass is indented under subclass 60.41.  Subject matter comprising means controlled by the position of the carriage for controlling various functions of the machine.
  
[List of Patents for class 235 subclass 60.48]    60.48Totalizer selection:
 This subclass is indented under subclass 60.47.  Subject matter for selecting a totalizer or totalizers for either item entering or total taking operation. The totalizer selection means may be combined with means for controlling the nature of an entering operation and may effect totalizer selection by enabling or disabling totalizer actuating or item receiving mechanism.
  
[List of Patents for class 235 subclass 60.49]    60.49Locking devices:
 This subclass is indented under subclass 60.47.  Subject matter for controlling devices for locking various machine elements or for controlling interlocks between various elements of the machine.
  
[List of Patents for class 235 subclass 60.5]    60.5Carriage bore function control structures:
 This subclass is indented under subclass 60.47.  Subject matter comprising structures or elements, which are carried by the carriage for operating some machine control mechanism.
  
[List of Patents for class 235 subclass 60.51]    60.51Control of platen or paper feed:
 This subclass is indented under subclass 60.  Subject matter comprising means for controlling operation of the platen or paper feeding mechanism.
  
[List of Patents for class 235 subclass 60.52]    60.52Control of functions from platen or paper feed:
 This subclass is indented under subclass 60.  Subject matter comprising means controlled by the platen or paper feeding means for controlling various functions of the machine.
  
[List of Patents for class 235 subclass 61]    61CALCULATORS:
 This subclass is indented under the class definition.  Subject matter comprising calculating-machines. In this group are classified machines for mechanically performing the various mathematical operations, usually those of addition or subtraction, frequently that of multiplication, and occasionally of division. These machines generally comprise registers and keys or equivalents for operating them, together with necessary auxiliary devices.

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33Geometrical Instruments,   for means for calculating unknown functions of geometrical figures, said means having members designed to form representations of said figures.
73Measuring and Testing,   subclasses 861.43+ for integrating means combined with flow meter structures.
177Weighing Scales,   subclasses 25+ for a weigher with means making a calculation using a weight evaluation by the weigher as a factor.
315Electric Lamp and Discharge Devices: Systems,   subclasses 8.5+ for cathode-ray tube systems responsive to electrical pulses for counting or storing such pulses, or for translating such pulses from one code to another code, and subclass 84.5 for electrical pulse counting or storing circuits employing gaseous space discharge devices.
333Wave Transmission Lines and Networks,   subclass 19 for differentiating or integrating networks of the passive type.
  
[List of Patents for class 235 subclass 62]    62Motor actuated:
 This subclass is indented under subclass 61.  Calculating-machines wherein the pressing of a key releases a spring or other motor which actuates the devices to the extent determined by the value of the key operated.

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11,for motor operated cash registers.
  
[List of Patents for class 235 subclass 63]    63Traveling carriage:
 This subclass is indented under subclass 61.  Calculating-machines having a single set of keys and having devices movable from order to order of the registering mechanism and connecting the keys successively therewith.
  
[List of Patents for class 235 subclass 64]    64Adding pencils:
 This subclass is indented under subclass 61.  Subject matter comprising devices attached to a pencil or similar instrument which are employed to keep account of the sum of columns to be added or the number of tens to be "carried", usually operated by the pressure of the point upon the paper or desk.
(1) Note. Adding devices that are merely adapted to be clamped to a pencil, but do not form part thereof and are not operated by the movement of the pencil, are not classified herein, but are classified according to the structure of the adding device itself.
  
[List of Patents for class 235 subclass 64.3]    64.3Decimal point locators:
 This subclass is indented under subclass 61.  Subject matter comprising devices either in conjunction with a logarithmic calculator or apart from such calculator, which devices have a scale or scales to determine the location of a decimal point in a calculation.
  
[List of Patents for class 235 subclass 64.7]    64.7Photographic:
 This subclass is indented under subclass 61.  Calculators having movable members variably positionable with respect to one another, at least one of said members having an index or scale positionable opposite a point on a scale on the other member and there being at least one scale having values peculiar to the art of photography.
  
[List of Patents for class 235 subclass 65]    65Bar and disk:
 This subclass is indented under subclass 61.  Subject matter comprising adding-machines having two parts, a bar and a disk, one part being for the lower orders and the other for the higher.
  
[List of Patents for class 235 subclass 66]    66Cylinder and disk:
 This subclass is indented under subclass 61.  Subject matter comprising adding-machines having two parts, a cylinder and a disk, or a plurality of either.
  
[List of Patents for class 235 subclass 67]    67Spiral:
 This subclass is indented under subclass 61.  Subject matter comprising adding-machines wherein the numbers are arranged spirally, either around the surface of a cylinder or upon the face of a disk, there ordinarily being a pointer or its equivalent that travels in cooperation with the cylinder or disk in order to indicate the proper figure or number.

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107,for spiral registers.
  
[List of Patents for class 235 subclass 68]    68Ball:
 This subclass is indented under subclass 61.  Calculators wherein the registering devices are composed of balls.

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18,and 123, for other ball devices.
  
[List of Patents for class 235 subclass 69]    69Bar:
 This subclass is indented under subclass 61.  Calculating devices wherein a bar or bars bearing numerals are employed instead of disks or cylinders.
  
[List of Patents for class 235 subclass 70]    70Side rules:
 This subclass is indented under subclass 69.  Subject matter comprising rules consisting of a stationary base, and one or more slides movable therein, both the base and the slides being graduated, usually logarithmically, according to the different elements of some mathematical formula, so that by placing the slide in proper relation to the base, problems embodying such formula may be solved without calculation.

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79.5,and 84, for other types of slide rules.
  
[List of Patents for class 235 subclass 71]    71Belt:
 This subclass is indented under subclass 61.  Calculating-machines wherein movable belts bearing numerals are employed instead of cylinders or disks. Machines wherein belts are employed as devices whereby to operate registering or calculating cylinders, etc., are not classified herein, but are located according to the character of the registering mechanism.
  
[List of Patents for class 235 subclass 72]    72Parallel axes:
 This subclass is indented under subclass 61.  Calculating-machines wherein the registering devices are placed upon axes parallel with each other.
  
[List of Patents for class 235 subclass 73]    73Cylinder:
 This subclass is indented under subclass 72.  Calculating-machines whose registering attachments comprise cylinders placed either singly or in sets on axes parallel with each other.
  
[List of Patents for class 235 subclass 74]    74Disk:
 This subclass is indented under subclass 72.  Calculating-machines whose registering attachments comprise disks placed upon axes parallel with each other, the disks being actuated by some instrument held in the hand, such as a stylus, pencil, etc.
  
[List of Patents for class 235 subclass 75]    75Key operated:
 This subclass is indented under subclass 74.  Calculating-machines wherein the disks are each operated by means of keys.
  
[List of Patents for class 235 subclass 76]    76Gear:
 This subclass is indented under subclass 72.  Calculating-machines whose registering devices are on axes parallel with each other, these devices being connected by gears instead of by intermittent transfer mechanism.
  
[List of Patents for class 235 subclass 77]    77Single axis:
 This subclass is indented under subclass 61.  Calculators whose registering devices are placed upon the same axis.
  
[List of Patents for class 235 subclass 78]    78Concentric disk:
 This subclass is indented under subclass 77.  Calculating-machines whose registering devices comprise a plurality of disks numbered on their faces and mounted in a base, said disks being placed concentrically on a single shaft or axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41,and 116, for other concentric disk devices.
  
[List of Patents for class 235 subclass 79]    79Cylinder:
 This subclass is indented under subclass 77.  Calculating machines whose registering devices are composed of cylindrical members mounted for rotation on a common axis.
  
[List of Patents for class 235 subclass 79.5]    79.5Slide rules:
 This subclass is indented under subclass 79.  Calculating devices wherein two or more relatively movable cylindrical members are so graduated, usually logarithmically according to the elements of some mathematical formula, that by placing one in proper relation to another problems involving such formula may be solved.

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70,for bar slide rules.
84,for disk slide rules.
  
[List of Patents for class 235 subclass 80]    80Keyless:
 This subclass is indented under subclass 79.  Calculators whose registering devices comprise cylinders placed upon a single axis, these cylinders being operated directly by means of the fingers of the operator or by a stylus, pencil, or other instrument held in the hand.
  
[List of Patents for class 235 subclass 81]    81Lever operated:
 This subclass is indented under subclass 80.  Calculators whose registering devices comprise cylinders placed side by side upon a single axis, these cylinders being operated by levers or equivalents having handles or the like movable to different extents over a graduated plate.
  
[List of Patents for class 235 subclass 82]    82Key operated:
 This subclass is indented under subclass 79.  Calculating-machines having registering devices composed of a series of cylinders placed side by side upon a common shaft and being directly operated by the depression of keys, with which the machine is provided.
  
[List of Patents for class 235 subclass 83]    83Disk; dial and hand:
 This subclass is indented under subclass 77.  Calculators, whose registering devices comprise a rotatable disk mounted on a base, or one or more hands or pointers movable over the face of a dial properly graduated.
  
[List of Patents for class 235 subclass 84]    84Slide rules:
 This subclass is indented under subclass 83.  Subject matter comprising slide rules, as defined in subclass 70 wherein the base and the slides instead of being straight are circular.

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70,and 79.5, for other types of slide rules.
  
[List of Patents for class 235 subclass 85]    85Tabular:
 This subclass is indented under subclass 61.  Calculators comprising a table showing results calculated from certain data so arranged that by properly manipulating the same any desired result is obtained.

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177Weighing Scales,   subclasses 34+ for a tabular type computer combined with a weigher.
  
[List of Patents for class 235 subclass 86]    86Belt:
 This subclass is indented under subclass 85.  Tabular calculators having the tables placed upon belts which are movable back and forth, as desired.
  
[List of Patents for class 235 subclass 87]    87Cylinder:
 This subclass is indented under subclass 85.  Tabular calculators having tables formed or placed upon cylinders.
  
[List of Patents for class 235 subclass 88]    88Disk:
 This subclass is indented under subclass 85.  Tabular calculators having tables placed upon disks which rotate about their centers.
  
[List of Patents for class 235 subclass 89]    89Sheet:
 This subclass is indented under subclass 85.  Tabular calculators having tables placed upon sheets, the sheets being attached to a frame either permanently or temporarily and a guiding-strip or the like being provided to used in connection with the sheets.
  
[List of Patents for class 235 subclass 90]    90PEG TALLY BOARDS:
 This subclass is indented under the class definition.  Subject matter comprising boards such as cribbage boards and the like, for tallying purposes, the tallying being accomplished by means of pegs or the like successively moved to different holes as the tally increases.

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116Signals and Indicators,   subclasses 325+ for similar peg type indicators.
  
[List of Patents for class 235 subclass 91]    91OPERATING DEVICES:
 This subclass is indented under the class definition.  Subject matter comprising devices for operating registers, the specific construction of the registers not being of the invention.

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56,and 419+, for record controlled operating devices for registering mechanisms.
  
[List of Patents for class 235 subclass 93]    93GATE AND TURNSTILE OPERATED:
 This subclass is indented under the class definition.  Subject matter comprising registers connected with and operated by a turnstile.
  
[List of Patents for class 235 subclass 94]    94LIQUID REGISTERS:
 This subclass is indented under the class definition.  Subject matter comprising registers operated by means of a faucet or other part through or in which the fluid passes,such as registering-faucets, registers connected with saucers holding beer-glasses, registering bottles, etc.
  
[List of Patents for class 235 subclass 95]    95ODOMETERS:
 This subclass is indented under the class definition.  Subject matter comprising registers connected or attached to the wheel or axle of a vehicle, such as a carriage or bicycle, for the purpose of counting the number of revolutions made by the wheel and, with the knowledge of the size of the wheel, of measuring the distance traveled, the counting-wheels being marked to indicate the distances instead of the number of revolutions.

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73Measuring and Testing,   subclass 490 for an odometer combined with a speedometer.
  
[List of Patents for class 235 subclass 96]    96Details:
 This subclass is indented under subclass 95.  Subject matter comprising details or isolated parts of odometers or parts connected therewith, such as tappets, brackets, etc.
  
[List of Patents for class 235 subclass 97]    97Trip and total:
 This subclass is indented under subclass 95.  Odometers having two sets of registering devices, one set moving continuously to indicate the entire distance traveled and the other set capable of being reset to zero at any desired time and adapted to indicate the distance traveled during a single trip or in a day or any desired interval of time.
  
[List of Patents for class 235 subclass 98]    98PACKAGE OPERATED:
 This subclass is indented under the class definition.  Subject matter comprising registers operated by a package, barrel, etc., passing through the machines.

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198Conveyors: Power Driven,   subclass 503 for conveyor organizations including broadly claimed counters.
221Article Dispensing,   subclass 7 for plural article dispensing organizations not otherwise provided for, including dispenser operated register structures.
  
[List of Patents for class 235 subclass 99]    99PLATFORM OPERATED:
 This subclass is indented under the class definition.  Subject matter comprising registers operated through the medium of a depressible seat, platform, or the like on which the person sits or steps or the article is placed.
  
[List of Patents for class 235 subclass 100]    100REGISTERING BOXES:
 This subclass is indented under the class definition.  Subject matter comprising registers operated by a coin as it passes into a box or other receptacle.

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32,for similar fare or ticket registers.
  
[List of Patents for class 235 subclass 101]    101STAMP:
 This subclass is indented under the class definition.  Subject matter comprising registers operated by the hand-stamp or by postage stamp dispensing or printing mechanisms.
  
[List of Patents for class 235 subclass 102]    102TYPEWRITER WORD COUNTERS:
 This subclass is indented under the class definition.  Subject matter comprising devices for counting the number of words etc., written by a typewriter.

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234Selective Cutting (e.g., Punching),   subclasses 4+ for a keyboard operated selective punching machine provided with an inter-word-space counter.
  
[List of Patents for class 235 subclass 103]    103ROTATION COUNTERS:
 This subclass is indented under the class definition.  Subject matter comprising instruments for counting the number of rotations made by a shaft or other piece of machinery.
  
[List of Patents for class 235 subclass 103.5]    103.5Comparing:
 This subclass is indented under subclass 103.  Subject matter comprising instruments for comparing the number of rotations made by two or more shafts or other pieces of machinery.
  
[List of Patents for class 235 subclass 104]    104Timing devices:
 This subclass is indented under subclass 103.  Subject matter comprising instruments or machines for counting or indicating the number of rotations in a given time made by a shaft or other piece of machinery--as, for example, the number of rotations per second or minute or even the number of miles per hour made by a moving vehicle.

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73Measuring and Testing,   subclasses 488+ for speed sensing mechanism for producing similar indications.
  
[List of Patents for class 235 subclass 105]    105PEDOMETERS:
 This subclass is indented under the class definition.  Subject matter comprising instruments attached to the foot or body for counting the number of steps made; also, devices for analogous purposes.
  
[List of Patents for class 235 subclass 106]    106ANGLED AXES:
 This subclass is indented under the class definition.  Subject matter comprising machines having several registering devices placed on axes at angles to each other.
  
[List of Patents for class 235 subclass 107]    107SPIRAL:
 This subclass is indented under the class definition.  Subject matter comprising registers wherein the numbers are arranged spirally, either around the surface of a cylinder or upon the face of a disk, a pointer being sometimes employed which travels along the cylinder or disk in order to indicate the proper numeral.

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67,for spiral calculators.
  
[List of Patents for class 235 subclass 108]    108PARALLEL AXES:
 This subclass is indented under the class definition.  Subject matter comprising registers, counting devices on axes parallel with each other.
  
[List of Patents for class 235 subclass 109]    109Gear:
 This subclass is indented under subclass 108.  Registers whose counting devices are connected by gearing instead of intermittently-operating transfer mechanism.
  
[List of Patents for class 235 subclass 110]    110Cylinder:
 This subclass is indented under subclass 108.  Registers whose counting devices comprise several cylinders or drums.
  
[List of Patents for class 235 subclass 111]    111Dial and disk:
 This subclass is indented under subclass 108.  Registers whose counting devices include both graduated movable disks and pointers passing over graduated dials.
  
[List of Patents for class 235 subclass 112]    112Dial and hand:
 This subclass is indented under subclass 108.  Registers whose counting devices include several graduated dials over whose surfaces pass pointers or hands.
  
[List of Patents for class 235 subclass 113]    113Disk:
 This subclass is indented under subclass 108.  Registers whose counting devices include a plurality of rotatable disks having numbers on their faces.

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111,for dial and disk registers.
  
[List of Patents for class 235 subclass 114]    114Hand operated:
 This subclass is indented under subclass 113.  Registers the disks being separately operated by hand. These registers are generally used in keeping count of the points made in games.
  
[List of Patents for class 235 subclass 115]    115SINGLE AXIS:
 This subclass is indented under the class definition.  Subject matter comprising registers whose counting devices are placed upon a single axis.
  
[List of Patents for class 235 subclass 116]    116Concentric disk:
 This subclass is indented under subclass 115.  Registers whose counting devices comprise a plurality of disks numbered upon their faces and mounted on a base, said disks being placed concentrically upon the shaft or axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41,and 78, for other concentric disk devices.
  
[List of Patents for class 235 subclass 117]    117Cylinder:
 This subclass is indented under subclass 115.  Registers whose counting devices comprise a plurality of cylinders placed side by side upon the shaft or axis.
  
[List of Patents for class 235 subclass 118]    118Single cylinder:
 This subclass is indented under subclass 117.  Registers whose counting devices comprise a single cylinder numbered on its periphery.
  
[List of Patents for class 235 subclass 119]    119Differential gears:
 This subclass is indented under subclass 115.  Registers whose counting devices comprise two or more cylinders, the cylinders having connected or formed therewith gears having different numbers of teeth, but actuated by the same gear, thus causing a slow movement of one cylinder with respect to the other.
  
[List of Patents for class 235 subclass 120]    120Multiple hand:
 This subclass is indented under subclass 115.  Registers whose counting devices comprise several pointers or hands moving over a dial and turning around the same axis at different rates of speed, the relative movements being continuous, as when connected by gears or pinions in the same way as the hands of a watch, or intermittent, as when caused by transfer devices operating only when one hand has completed a rotation.
  
[List of Patents for class 235 subclass 121]    121Single hand:
 This subclass is indented under subclass 115.  Registers whose counting devices comprise a graduated dial and a single hand or pointer moving thereover.

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103,for similar registers in rotation counters.
  
[List of Patents for class 235 subclass 122]    122Disk:
 This subclass is indented under subclass 115.  Registers whose counting mechanism comprises a rotating disk having numbers on its face.
  
[List of Patents for class 235 subclass 123]    123BALL BUTTON OR PUSH BUTTON INDICATOR:
 This subclass is indented under the class definition.  Subject matter comprising counting devices where balls, buttons or push buttons movable upon a support are employed to count or keep tally of a game--such, for instance, as billiards.

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18,68 and 123, for other ball devices.
90,for peg tally boards.
  
[List of Patents for class 235 subclass 124]    124BAR AND SCALE:
 This subclass is indented under the class definition.  Subject matter comprising registers embodying a pointer moving along a graduated bar.
  
[List of Patents for class 235 subclass 125]    125BELT:
 This subclass is indented under the class definition.  Subject matter comprising registering-machines wherein the registering elements are movable belts bearing numerals.
  
[List of Patents for class 235 subclass 127]    127PIVOTED INDICATOR:
 This subclass is indented under the class definition.  Subject matter comprising devices for keeping count of the points in a game or for equivalent purpose, comprising indicators pivoted to a base and adapted to be turned on their pivots--as, for example, from a horizontal to a vertical position--to indicate the desired data.

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116Signals and Indicators,   subclasses 309+ for analogous pivoted indicators.
  
[List of Patents for class 235 subclass 128]    128ALARM MECHANISM:
 This subclass is indented under the class definition.  Subject matter comprising mechanism connected to registering devices of any character for sounding an alarm, as by ringing a bell or in any other manner.

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116Signals and Indicators,   subclasses 67+ for other alarms.
340Communications: Electrical,   subclasses 500+ for electrical automatic condition responsive indicating systems.
  
[List of Patents for class 235 subclass 130]    130LOCKING MECHANISM:
 This subclass is indented under the class definition.  Subject matter comprising devices for positively locking a part against movement, either temporarily until the machine shall have operated to a certain extent or for such a time as the operator may desire.

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27,for devices for locking calculating machine keys against movement.

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400Typewriting Machines,   subclasses 663+ for typewriter key locks, and subclass 676 for machine locks.
  
[List of Patents for class 235 subclass 131]    131OVERTHROW PREVENTERS:
 This subclass is indented under the class definition.  Subject matter comprising devices for preventing the accidental movement of a part or for preventing a register-wheel or other moving part from being carried by momentum farther than it should go.

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74Machine Element or Mechanism,   subclasses 148+ , particularly subclasses 152 for such devices, per se.
  
[List of Patents for class 235 subclass 132]    132WITH CONTROL MEANS OPERABLE ON PREDETERMINED REGISTER READING:
 This subclass is indented under the class definition.  Subject matter comprising devices under control of a register for effecting either the stoppage of the register, or the starting, stopping, or other operation of apparatus controlled by the register (as the opening or closing of a switch) upon a particular or predetermined reading of the register being obtained.

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47+,and 144, for means to stop the register wheels at zero during resetting.

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53Package Making,   subclasses 52+ for packaging machines having as a part thereof an automatic or triggered control.
192Clutches and Power-Stop Control,   subclasses 138+ , for similarly controlled clutches.
222Dispensing,   subclasses 14+ , 27, and 39 for similar devices in dispensing mechanism.
234Selective Cutting (e.g., Punching),   subclass 21 for a selective cutting device with control means operable in response to a predetermined register reading.
  
[List of Patents for class 235 subclass 133]    133TRANSFER MECHANISM:
 This subclass is indented under the class definition.  Subject matter comprising devices whereby a register-wheel of higher order is advanced one step each time a wheel of the next lower order has made a complete rotation.
  
[List of Patents for class 235 subclass 134]    134Cam and lever:
 This subclass is indented under subclass 133.  Transfer devices wherein the wheel of lower order has connected therewith or placed thereon a cam or eccentrically-disposed pin acting upon a lever connected with which is a pawl or equivalent that actuates the wheel of higher order.
  
[List of Patents for class 235 subclass 135]    135Deep notch:
 This subclass is indented under subclass 133.  Transfer devices wherein the register-wheels have attached thereto ratchet-wheels, each wheel having one notch deeper than the rest, these notches being of successively-increasing depth in the several wheels, whereby the actuating pawl or pawls are permitted at each complete rotation of a wheel to move one step the wheels of the next higher orders.
  
[List of Patents for class 235 subclass 136]    136Differential gears:
 This subclass is indented under subclass 133.  Transfer mechanism comprising a pinion or equivalent meshing with gears attached to or connected with two register-wheels the gears having teeth differing in number, so that one moves at a rate different from the other.
  
[List of Patents for class 235 subclass 137]    137Independent actuator:
 This subclass is indented under subclass 133.  Transfer mechanism wherein the complete rotation of a register-wheel sets a device into such a position that by a subsequent movement and by an independent actuating device it is caused to actuate one step the wheel of next higher order.
  
[List of Patents for class 235 subclass 138]    138Successive:
 This subclass is indented under subclass 137.  Transfer mechanism wherein the independent actuating device moves successively from one order to another.
  
[List of Patents for class 235 subclass 139]    139Intermediate pinion:
 This subclass is indented under subclass 133.  Transfer devices comprising a pinion between each two register-wheels on a shaft parallel to that of said wheels, said pinion being actuated by the gear of one register-wheel and actuating the gear of the wheel of higher order, one of the gears or pinions of the set having a single tooth, so that the wheel of higher order is moved intermittently from one number to the next at each complete rotation of the wheel of lower order.
  
[List of Patents for class 235 subclass 140]    140Side tooth:
 This subclass is indented under subclass 133.  Transfer devices wherein each register-wheel has a single tooth upon its side (or periphery) which at each complete rotation engages with a ratchet-tooth on the wheel of next higher order, moving it one step.
  
[List of Patents for class 235 subclass 141]    141Lock:
 This subclass is indented under subclass 140.  Transfer mechanism wherein the wheel of higher order is locked from accidental movement when the transfer is not being effected.
  
[List of Patents for class 235 subclass 142]    142Traveling pawl:
 This subclass is indented under subclass 133.  Transfer devices comprising a pawl pivoted to and moving with a register-wheel which, when the wheel has completed a rotation, is moved radially with respect to the wheel into engagement with a pin or tooth on the wheel of next higher order for a time sufficient to move the latter one step.
  
[List of Patents for class 235 subclass 143]    143Side action:
 This subclass is indented under subclass 142.  Transfer devices except that the pivoted pawl has a movement transverse to the plane of the register-wheel.
  
[List of Patents for class 235 subclass 144]    144ZERO-SETTING DEVICES:
 This subclass is indented under the class definition.  Subject matter comprising devices by which the register of a calculator, cash-register, or other machine is returned to zero or "cleared out."

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222Dispensing,   subclasses 32+ for registers with zero-setting mechanism claimed in combination with significant dispensing features.
  
[List of Patents for class 235 subclass 145]    145KEYBOARDS:
 This subclass is indented under the class definition.  Subject matter comprising those portions of registers, usually manually actuated, including keys, shift-keys, space bars, etc., which control and initiate the action of the calculating machine to determine what numbers shall be introduced and how; also to control subsidiary operations of the machine.

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234Selective Cutting (e.g., Punching),   subclasses 123+ for a keyboard associated with a selective cutting machine.
  
[List of Patents for class 235 subclass 146]    146Auxiliary:
 This subclass is indented under subclass 145.  Keyboards which are supported above or otherwise adjacent to the main keyboard of the machine, often for performing some function additional to that of the main keyboard.
  
[List of Patents for class 235 subclass 200]    200Including means utilizing fluid, e.g., fluid amplifiers:
 This subclass is indented under subclass 61.  Subject matter utilizing fluid which represents information content; the system as a whole being specialized to a calculating function and having (1) fluid flow varying components which are connected by fluid storage or flow passages which, for example, act as a "feed back", a "carry" between components, distribute pulsed flow between components or act as information memory means or (2) one or more means utilizing a fluid, combined with a calculation value indicator.

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137Fluid Handling,   subclasses 803+ for devices of more general application in which fluid flow of one stream is effected by (1) fluid contact with another stream or by (2) use of an energy field and see the notes to Class 137, subclass 803 for the line between classes.
341Coded Data Generation or Conversion,   appropriate subclasses for code converters which are electrical at least in part.
700Data Processing: Generic Control Systems or Specific Applications,   appropriate subclasses and particularly subclasses 90 through 306for particular data processing applications.
  
[List of Patents for class 235 subclass 201]    201Digital pulse:
 This subclass is indented under subclass 200.  Subject matter including means indicating discrete pulses in a fluid stream, which pulses indicate digital information content.
  
[List of Patents for class 235 subclass 375]    375SYSTEMS CONTROLLED BY DATA BEARING RECORDS:
 This subclass is indented under the class definition.  Subject matter including means to sense a data-bearing record in combination with a system or apparatus to utilize or be activated or controlled by the information sensed from the record.
(1) Note. For classification herein, there must be significantly claimed record-sensing means, or record structure, in combination with the system being controlled.

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419,for record controlled mechanical or electromechanical calculators.
435,for record-sensing devices, per se.

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340Communications: Electrical,   subclasses 5.23 through 5.24for programmable authorization data by data bearing record or carrier code, subclass 5.26 for authorization by programmable coded record, and subclasses 5.6-5.67 for selective authorization control including nominally claimed data bearing records or record sensing.
382Image Analysis,   subclasses 181+ for pattern or character recognition systems.
700Data Processing: Generic Control Systems or Specific Applications,   subclasses 90 through 306for the application of a data processing system or a calculating computer which may include nominal recitation of a data bearing record means.
705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 1.1 for a business or financial data processing system, particularly subclasses 17 through 25 for an electronic cash register or terminal having a card interface, and subclass 41 for a financial data processing system using an IC or "smart" card.
  
[List of Patents for class 235 subclass 376]    376Operations analysis:
 This subclass is indented under subclass 375.  Subject matter wherein records sensed at various stations supply the system with an account of materials and labor used in an industrial process or the progress of some process or event.

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377Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,   subclasses 15 and 16 for counters used in industrial production.
705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclasses 7.11 through 7.42for subject matter having significant data processing.
  
[List of Patents for class 235 subclass 377]    377Time analysis:
 This subclass is indented under subclass 375.  Subject matter wherein various times entered on a record are sensed and a total time that has elapsed is determined.

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346Recorders,   subclasses 80+ for recorders that provide a record of time elapsed.
377Electrical Pulse Counters, Pulse Divider, or Shift Registers: Circuits and Systems,   subclass 20 for counters used to determine the passage of time.
  
[List of Patents for class 235 subclass 378]    378Price determination:
 This subclass is indented under subclass 377.  Subject matter including means to determine the cost based on the time that has elapsed.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 48 for computers to determine price based on the elapse of time.
  
[List of Patents for class 235 subclass 379]    379Banking systems:
 This subclass is indented under subclass 375.  Subject matter wherein indicia from a bearer card or record and other indicia are compared with computer information regarding the bearer and credit reallocated among various accounts.

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382Image Analysis,   subclasses 135+ for sensing images or alphanumeric characters on paper money or bank checks to either recognize or classify the document.
705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclasses 35 through 45for data processing and computer systems, per se, used in banking sysems.
  
[List of Patents for class 235 subclass 380]    380Credit or identification card systems:
 This subclass is indented under subclass 375.  Subject matter in which an indication is produced from the results of comparing information as to the bearer of a record in a computer, the indicia sensed from the record and other information supplied at the record-sensing station.

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340Communications: Electrical,   subclasses 5.4 through 5.42for systems that provide authorization by a comparison of intelligence with a balance in an individual account.
382Image Analysis,   subclasses 115+ for identification card system which include sensing or reading a pattern or alphanumeric characters.
705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 5 .
  
[List of Patents for class 235 subclass 381]    381With vending:
 This subclass is indented under subclass 380.  Subject matter including means to release an article or merchandise.

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194Check-Actuated Control Mechanisms,   appropriate subclasses for apparatus responsive to a nonindicia bearing taken to deliver an article, particularly subclasses 216+ for a computerized value accumulator in a check-actuated control mechanisms.
221Article Dispensing,   subclass 9 for apparatus to dispense an article, per se.
222Dispensing,   subclass 2 for apparatus responsive to a nonindicia bearing token to provide a dispensing operation.
700Data Processing: Generic Control Systems or Specific Applications,   subclasses 231 through 244for computers used in article-dispensing systems.
  
[List of Patents for class 235 subclass 382]    382Permitting access:
 This subclass is indented under subclass 380.  Subject matter including means allowing entry of an individual into an area or the use of specific equipment.
  
[List of Patents for class 235 subclass 382.5]    382.5Changeable authorization:
 This subclass is indented under subclass 382.  Subject matter having an arrangement for modifying the data required to permit access.
(1) Note. Included herein are card key devices which change the card key which unlocks a door.
  
[List of Patents for class 235 subclass 383]    383Mechanized store:
 This subclass is indented under subclass 375.  Subject matter wherein purchased articles bearing coded indicia are sensed and cost information in the computer associated with the particular indicia is supplied to the station where the indicia is sensed to provide visual readout and/or a machine printout including total cost.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 5 for a reservation data processing system; and subclass 13 for a fare data processing system.
  
[List of Patents for class 235 subclass 384]    384Transportation:
 This subclass is indented under subclass 375.  Subject matter in which data records are used to reflect usage in terms of distance to produce an indication of cost.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 417 for a device that determines price (fare) based on the distance travelled.
  
[List of Patents for class 235 subclass 385]    385Inventory:
 This subclass is indented under subclass 375.  Subject matter wherein a record associated with or representative of an article is sensed, the data so sensed being used to compile a record of items on hand.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclasses 28+ for a data processing system for calculating an inventory of items on hand.
  
[List of Patents for class 235 subclass 386]    386Voting machine:
 This subclass is indented under subclass 375.  Subject matter including means to read sheets bearing hand-coded indicia representative of various categories and providing a total for each category.

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56,and 57, for means to indicate the total number of votes cast.

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705Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,   subclass 12 for an election result calculating system including significant data processing.
  
[List of Patents for class 235 subclass 400]    400ORDNANCE OR WEAPON SYSTEMS COMPUTERS:
 This subclass is indented under the class definition.  Subject matter including apparatus capable of rapidly solving those mathematical problems pertaining to the ordnance.
(1) Note. Ordnance includes military weapons, ammunition, and weapon delivery systems.
(2) Note. Target includes a location or target area defined relative to the point at which a projectile is launched.
(3) Note. Projectile includes ammunition or any body projected by external force and continuing in motion by its own inertia, as a missile from a gun or mortar; or a self propelled weapon (as a rocket or torpedo).

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33Geometrical Instruments,   for straight-line-light-ray-type gun sights and aerial bomb sights.
89Ordnance,   for ordnance devices, per se, or the combination of significant ordnance structure combined with a calculating device.
250Radiant Energy,   for photocell tracking devices.
348Television,   for television range finders and tracking devices.
356Optics: Measuring and Testing,   for range finders.
434Education and Demonstration,   for devices to instruct in navigation and situations encountered in time of war.
  
[List of Patents for class 235 subclass 401]    401Bombing:
 This subclass is indented under subclass 400.  Subject matter including means to determine the position in space at which a bomb should be released from an airplane in order to hit a specific target.

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33Geometrical Instruments,   subclasses 229+ for light-ray-type aerial bomb sights.
89Ordnance,   subclasses 1.51+ for bomb dropping.
102Ammunition and Explosives,   subclass 384 for drop bombs with direction control means.
  
[List of Patents for class 235 subclass 402]    402Toss:
 This subclass is indented under subclass 401.  Subject matter wherein the bomb is released from an airplane that is pulling up or out of a dive, resulting in the bomb being lobbed toward the target, and including means to determine when during that period of pulling up or out of a dive, the bomb should be released to hit the target.
  
[List of Patents for class 235 subclass 403]    403Torpedo firing:
 This subclass is indented under subclass 400.  Subject matter including means to determine the course a torpedo must be given to hit a target.
(1) Note. The calculations necessary to aim a torpedo differ from those found in subsequent subclasses in that they involve only considerations in a single plane.

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114Ships,   subclasses 21.1 and 23-25 for control and steering of torpedoes.
  
[List of Patents for class 235 subclass 404]    404Aiming (i.e., gun laying):
 This subclass is indented under subclass 400.  Subject matter including means to calculate the elevation and azimuth angles to be imparted to the gun in order to hit a given target.
(1) Note. Included in the subclass are means to aim a gun at either a stationary or a moving target, from either a stationary or moving weapon.
(2) Note. Factors taken into account in the calculations when aiming at a stationary target include ballistic factors for the ammunition used, wind factors, the number of times a gun has been fired, the necessary elevation for the shell to strike a target at a given range, etc.
(3) Note. Factors taken into account in the calculations when aiming at a moving target, besides those mentioned in (2) include speed and course of the target, altitude, and the predicted future positions of the target.
(4) Note. Means to calculate the course and roll or pitch angles for airborne weapons fixedly mounted on the airframe are excluded.
  
[List of Patents for class 235 subclass 405]    405Mechanical computation:
 This subclass is indented under subclass 404.  Subject matter wherein the calculations are made solely by mechanical means.
(1) Note. In this subclass, motors may be utilized to drive various cams, followers, or ballistic mechanisms, but they do not perform the calculations.
  
[List of Patents for class 235 subclass 406]    406With tabular chart, scale or graph:
 This subclass is indented under subclass 405.  Subject matter including means to determine the results of the calculation from a tabular chart, scale, or graph.
(1) Note. Included here are hand held calculating devices.
  
[List of Patents for class 235 subclass 407]    407Compensating for weapon movement (e.g., tilt):
 This subclass is indented under subclass 404.  Subject matter including means for providing electrical signals or mechanical movements to the calculating device to compensate for weapon movement.
(1) Note. Weapon movement included linear as well as angular motions, as on a moving platform.

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89Ordnance,   subclass 41 for training mechanisms.
  
[List of Patents for class 235 subclass 408]    408Projectile flight time - fuse setting:
 This subclass is indented under subclass 400.  Subject matter including means to calculate the time of flight of the projectile to the target and/or the fuse setting in view of the determined time.

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89Ordnance,   subclasses 27 and 28.05+ for firing devices.
102Ammunition and Explosives,   subclasses 206+ for settable fuses.
  
[List of Patents for class 235 subclass 409]    409Parallax compensation:
 This subclass is indented under subclass 400.  Subject matter including apparatus to derive a correction factor to compensate for errors in aiming due to the displacement of the director.

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404+,for subject matter of this subclass used in the generation of the aiming signals.
  
[List of Patents for class 235 subclass 410]    410Coordinate conversion:
 This subclass is indented under subclass 400.  Subject matter including apparatus to convert data from one system of coordinates to another, i.e., rectangular to polar.

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404+,for subject matter of this subclass used in the generation of the aiming signals.
  
[List of Patents for class 235 subclass 411]    411With target tracking means:
 This subclass is indented under subclass 400.  Subject matter including means to determine the position of a target and to continuously monitor or provide an indication of the target"s position over a given period of time.
(1) Note. The position of the target may be represented by determining its range and bearing only.

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244Aeronautics and Astronautics,   subclasses 76+ for aircraft control, and subclass 3.1 for missile control.
250Radiant Energy,   subclass 203 for photocell circuits including means to point at or follow an object.
342Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation),   appropriate subclasses for radar tracking.
348Television,   subclasses 169+ for target tracking systems utilizing television systems.
356Optics: Measuring and Testing,   subclasses 3+ for range or height finding.
  
[List of Patents for class 235 subclass 412]    412Position or course prediction:
 This subclass is indented under subclass 411.  Subject matter including means to calculate the position or course of the target at a time in the future.
  
[List of Patents for class 235 subclass 413]    413Calculating speed and direction:
 This subclass is indented under subclass 411.  Subject matter including means to calculate the speed and/or direction of the target.
  
[List of Patents for class 235 subclass 414]    414Range finding:
 This subclass is indented under subclass 400.  Subject matter wherein the distance to the target is determined at a given instant or continuously in time.
(1) Note. Included here are determinations of slant or ground range.

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348Television,   subclasses 135+ for television systems utilized for making measurements, including range.
356Optics: Measuring, and Testing,   subclasses 3+ for range- or height-finding devices utilizing optical elements.
  
[List of Patents for class 235 subclass 415]    415With range rate change:
 This subclass is indented under subclass 414.  Subject matter including apparatus to determine or indicate the rate at which the range is changing.
  
[List of Patents for class 235 subclass 416]    416Range prediction:
 This subclass is indented under subclass 414.  Subject matter including means to indicate or calculate the range the target will be at a given time in the future.
  
[List of Patents for class 235 subclass 417]    417Ballistic factor determination:
 This subclass is indented under subclass 400.  Subject matter including means to determine ballistic factors, or solving ballistic equations and not utilized in any specific system or application as provided for above.
  
[List of Patents for class 235 subclass 418]    418Hand adjusted scale mechanism:
 This subclass is indented under subclass 400.  Subject matter wherein the calculations are made by scale mechanisms manipulated by and held in the human hand and not provided for in any of the above subclasses.
  
[List of Patents for class 235 subclass 419]    419RECORD CONTROLLED CALCULATORS:
 This subclass is indented under the class definition.  Subject matter wherein the calculating machines performing the mathematical operations are combined with and/or controlled by means to sense or analyze data from a record.
(1) Note. In this subclass, the calculating machines perform the various operations either mechanically or electromechanically.
(2) Note. Calculating devices wherein the calculations are performed by only electrical means are classified elsewhere.

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200+,for fluidic calculators.

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700Data Processing: Generic Control Systems or Specific Applications,   appropriate subclasses for means to electrically perform particular arithmetic calculations and particular structure of such means.
  
[List of Patents for class 235 subclass 420]    420Machine control:
 This subclass is indented under subclass 419.  Subject matter including means to control or determine what mathematical operations are to be performed.
(1) Note. Included here are means to determine when to take a subtotal or total or when to switch from one operation to another, i.e., division to multiplication.
(2) Note. Control of operations other than mathematical, such as printing or punching or record feeding are not classified here but in subclasses in this class directed to those specific operations, or data comparing.
  
[List of Patents for class 235 subclass 421]    421Multiplying:
 This subclass is indented under subclass 419.  Subject matter wherein the mathematical operation performed is that of multiplication.

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422,for dividing machines which are utilized to provide a check of the calculations made by multiplying machines.
  
[List of Patents for class 235 subclass 422]    422Dividing:
 This subclass is indented under subclass 419.  Subject matter wherein the mathematical operation performed is that of division.
  
[List of Patents for class 235 subclass 423]    423Subtraction:
 This subclass is indented under subclass 419.  Subject matter wherein the mathematical operation performed is that of subtraction.
  
[List of Patents for class 235 subclass 424]    424Item distribution:
 This subclass is indented under subclass 419.  Subject matter including means to selectively distribute information from a sensing means to various output devices or accumulators or from accumulators to other output devices.
  
[List of Patents for class 235 subclass 425]    425Sorting and accounting:
 This subclass is indented under subclass 419.  Subject matter in which accumulating or counting devices are combined with a sorting machine.

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209Classifying, Separating, and Assorting Solids,   appropriate subclasses for sorting machines, per se.
  
[List of Patents for class 235 subclass 426]    426Relay or contact type storing or accumulating:
 This subclass is indented under subclass 419.  Subject matter wherein the element for storage or accumulation of data sensed from the record consists of electromechanical relays.

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365Static Information Storage and Retrieval,   subclass 166 for electromechanical relay storage or retrieval system, per se.
  
[List of Patents for class 235 subclass 427]    427Differential mechanism, synchronous:
 This subclass is indented under subclass 419.  Subject matter in which an accumulator or indicator element moves in synchronism with the relative movement of the record member and the sensing element, the accumulator or indicator element taking a differential position representative of the value sensed.
  
[List of Patents for class 235 subclass 428]    428Differential mechanism, stop set:
 This subclass is indented under subclass 419.  Subject matter wherein an interponent takes a setting according to a sensed value, and a storage device or accumulator then moves until stopped by the interponent to take a differential position representative of the sensed value.
  
[List of Patents for class 235 subclass 429]    429Translators:
 This subclass is indented under subclass 419.  Subject matter including means to convert coded indicia or data on the record into a different code format.

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341Coded Data Generation or Conversion,   appropriate subclasses for code converters, per se.
  
[List of Patents for class 235 subclass 430]    430Key operators:
 This subclass is indented under subclass 419.  Subject matter wherein the information sensed from a record member is entered in a keyboard controlled computing machine by devices which press on or actuate keys associated with or corresponding to the sensed information.
  
[List of Patents for class 235 subclass 431]    431With data comparing:
 This subclass is indented under subclass 419.  Subject matter including means to perform a comparison of two or more sets of data which may be carried upon records, accumulators, or other entry-receiving devices.

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340Communications: Electrical,   subclass 146.2 for digital comparators, per se.
  
[List of Patents for class 235 subclass 432]    432With printing:
 This subclass is indented under subclass 419.  Subject matter combined with a mechanism for printing the data sensed prior to making a calculation or the results of the calculation, or both.

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101Printing,   principally subclasses 2 , 19, 20, 93, and 96 for record controlled printing devices wherein noncalculating structure is included.
  
[List of Patents for class 235 subclass 433]    433With paper feeding:
 This subclass is indented under subclass 432.  Subject matter including means to advance the paper upon which the sensed data or calculation results are printed.
  
[List of Patents for class 235 subclass 434]    434With punching:
 This subclass is indented under subclass 419.  Subject matter combined with a mechanism for punching the data sensed or the results of the calculation, or both.

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83Cutting,   subclasses 76.1+ for a record controlled cutting or punching machine.
234Selective Cutting (e.g., Punching),   subclasses 59+ for a record controlled selective punching machine.
  
[List of Patents for class 235 subclass 435]    435CODED RECORD SENSORS:
 This subclass is indented under the class definition.  Subject matter including machines for sensing or analyzing coded indicia on a record.

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209Classifying, Separating, and Assorting Solids,   subclasses 110+ for means to separate particularly marked cards.
250Radiant Energy,   subclasses 271+ , 555+, and 556+ for photocell systems wherein a coded record is viewed by the system.
346Recorders,   for means to form coded records.
360Dynamic Magnetic Information Storage or Retrieval,   subclass 2 for means to record on or reproduce from a card having a uniform magnetic coating.
365Static Information Storage and Retrieval,   subclasses 106 and 120 for storage and retrieval of information, and subclasses 185.01+ for floating gate memory storage (e.g., flash memory).
382Image Analysis,   subclasses 181+ for pattern or character recognition, see Class 382, Lines With Other Classes and Within This Class.
434Education and Demonstration,   subclasses 119+ for devices to instruct individuals in cryptography wherein decoding devices may be employed.
483Tool Changing,   subclasses 8+ for a tool transfer means combined with a tool support or storage means, and including a control means responsive to tool location or identifying means.
  
[List of Patents for class 235 subclass 436]    436Readout control:
 This subclass is indented under subclass 435.  Subject matter including apparatus to present the signals representing indicia analyzed in its correct sequence regardless of the direction or angle of scanning.

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462.32+,for a bar code reader including means for moving a light spot across the bar code or for moving the field of view of a detector across the bar code.
470,for an optical reader including means for scanning or orienting the coded indicia relative to the sensing structure.
  
[List of Patents for class 235 subclass 437]    437Error checking:
 This subclass is indented under subclass 435.  Subject matter including apparatus to sense the coded indicia on a record and determine if it is being accurately interpreted.

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73Measuring and Testing,   subclass 157 for means to test record strip sprocket holes.
714Error Detection/Correction and Fault Detection/Recovery,   subclasses 1+ for reliability and availability, fault recovery, locating, and avoidance in digital data processing systems, subclasses 799+ for error/fault detection techniques; and subclass 818 for missing-bit/drop-out detection
  
[List of Patents for class 235 subclass 438]    438Testing:
 This subclass is indented under subclass 435.  Subject matter including apparatus to determine if the analyzing machine is operating correctly.

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714Error Detection/Correction and Fault Detection/Recovery,   subclasses 799+ for error/fault detection techniques.
  
[List of Patents for class 235 subclass 439]    439Particular sensor structure:
 This subclass is indented under subclass 435.  Subject matter including the particular type of structure utilized to sense the coded indicia on the record.
  
[List of Patents for class 235 subclass 440]    440Multiple sensor:
 This subclass is indented under subclass 439.  Subject matter in which the coded indicia on the record is sensed by more than one complete sensing structure.
(1) Note. Each sensing structure may include an array of or multiple sensing elements.
(2) Note. Classification is not proper here if one of two sensing structures is that which senses timing marks.
(3) Note. The sensing structures may be used to simultaneously sense separate areas of the record or to sense the same areas at different points in time.
(4) Note. The sensing structure may include diverse types.
  
[List of Patents for class 235 subclass 441]    441Electrical contact:
 This subclass is indented under subclass 439.  Subject matter wherein the record is sensed by completing an electrical circuit at different locations on the record where coded indicia exist, each location representative of and conveying different information.
(1) Note. Including here are devices that complete an electrical circuit through conductive surface marks placed on the record.

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492,for records, per se, encoded with conductive markings.

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200Electricity: Circuit Makers and Breakers,   subclass 46 for means to complete a circuit in accordance with a patterned sheet.
  
[List of Patents for class 235 subclass 442]    442Perforated:
 This subclass is indented under subclass 441.  Subject matter wherein the electrical circuit is completed through perforations in the record.
  
[List of Patents for class 235 subclass 443]    443Static sensed:
 This subclass is indented under subclass 442.  Subject matter wherein all the perforations in the record are sensed simultaneously while the record is held stationary.
  
[List of Patents for class 235 subclass 444]    444Electromechanical:
 This subclass is indented under subclass 439.  Subject matter wherein the sensing structure includes a mechanical sensing element that moves in accordance with coded indicia on or in the record to close one of a plurality of electrical switches, the particular switch closed representative of and conveying different information.

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200Electricity: Circuit Makers and Breakers,   subclass 46 for means to complete a circuit in accordance with a patterned sheet.
  
[List of Patents for class 235 subclass 445]    445Perforated record:
 This subclass is indented under subclass 444.  Subject matter wherein the sensing element moves through or penetrates the record at points where perforations exist.
  
[List of Patents for class 235 subclass 446]    446Sensing element in continuous contact with record:
 This subclass is indented under subclass 445.  Subject matter wherein the sensing element is held in continuous contact with the record.
  
[List of Patents for class 235 subclass 447]    447Array:
 This subclass is indented under subclass 445.  Subject matter including a plurality of sensing elements forming a two-dimensional array.
  
[List of Patents for class 235 subclass 448]    448Raised or depressed portions on record:
 This subclass is indented under subclass 444.  Subject matter wherein the sensing element is moved in accordance with raised or depressed portions of the record, the raised or depressed portions representing the coded indicia.
(1) Note. Included here are devices that move light shutter elements in accordance with raised or depressed portions. The movement of the shutter elements completing or breaking a light path between a light source and a photocell.

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490,for records, per se, encoded with material that projects from the plane of the record.
  
[List of Patents for class 235 subclass 449]    449Magnetic:
 This subclass is indented under subclass 439.  Subject matter wherein the coded indicia is sensed magnetically.
(1) Note. In this subclass the coded indicia is placed on the record as discrete elements of magnetic material. If the magnetic material is placed on the record as a continuous coating upon which information is subsequently impressed, classification is in Class 360.

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493,for records, per se, encoded with magnetic material.

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341Coded Data Generation or Conversion,   subclass 15 for magnetic pattern reading type analog to digital converters.
360Dynamic Magnetic Information Storage or Retrieval,   appropriate subclasses for particular recording or reproducing structure and particular records.
365Static Information Storage and Retrieval,   subclass 97 for read only memories.
  
[List of Patents for class 235 subclass 450]    450Strengthen or diminish field or flux:
 This subclass is indented under subclass 449.  Subject matter wherein a sensing magnetic field or flux is increased or decreased in intensity in accordance with elements on or in the record representative of coded indicia.
  
[List of Patents for class 235 subclass 451]    451Capacitive:
 This subclass is indented under subclass 439.  Subject matter wherein the coded indicia is sensed by forming a capacitor with the sensing elements.
  
[List of Patents for class 235 subclass 452]    452Pneumatic:
 This subclass is indented under subclass 439.  Subject matter wherein the coded indicia on the record is sensed by detecting variations in fluid pressure and converting such variations to an electrical signal.
(1) Note. The record is in the form of a perforated record, with the fluid penetrating areas where perforations exist.

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201,for fluid sensors utilized in fluid amplifiers.

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200Electricity: Circuit Makers and Breakers,   subclasses 81+ for fluid pressure switches.
  
[List of Patents for class 235 subclass 453]    453Mechanical:
 This subclass is indented under subclass 439.  Subject matter wherein the coded indicia is sensed and represented by entirely mechanical means.
(1) Note. Included here are devices such as Bowden wires which actuate some other mechanical element.
  
[List of Patents for class 235 subclass 454]    454Optical:
 This subclass is indented under subclass 439.  Subject matter wherein the coded indicia on the record is sensed by transmitting light through or reflecting light from the record surface, the light detected being converted into an electrical signal representative of the indicia.
(1) Note. The subject matter in this subclass and those indented hereunder differs from that found in Class 250 in that the light detected is converted to an electrical signal which is further processed by particular circuitry, the particular circuitry including the generating and utilization of timing and sync signals, the storage of signals, and means to perform counting operations.

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250Radiant Energy,   subclasses 566+ for optical or pre-photocell systems only used to read coded records, and subclass 555 for photocell controlled circuits wherein a coded card is read.
  
[List of Patents for class 235 subclass 455]    455Light level control:
 This subclass is indented under subclass 454.  Subject matter including means to maintain the light contrast or compensate for variations in the light contrast between the coded indicia to be sensed and the background level of the record.

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462.06,for a bar code reader including a light level adaptation means.

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250Radiant Energy,   subclass 205 wherein the intensity of the light illuminating an area is controlled.
  
[List of Patents for class 235 subclass 456]    456Multiple column code:
 This subclass is indented under subclass 454.  Subject matter wherein the coded indicia utilizes more than one column to represent an item of intelligence.
  
[List of Patents for class 235 subclass 457]    457Holographic:
 This subclass is indented under subclass 454.  Subject matter including means to sense a holographically encoded pattern.

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462.34,for a bar code reader wherein the light beam moving means includes a hologram.

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348Television,   subclasses 40+ for holographic systems used for televising an object or scene.
359Optical: Systems and Elements,   subclasses 1+ for holographic devices, per se.
  
[List of Patents for class 235 subclass 458]    458Perforated record:
 This subclass is indented under subclass 454.  Subject matter wherein the coded indicia is in the form of perforations, and is sensed by detecting the light passing through the record.
  
[List of Patents for class 235 subclass 459]    459Stationary:
 This subclass is indented under subclass 458.  Subject matter wherein the record is sensed entirely while it is stationary.
  
[List of Patents for class 235 subclass 460]    460Matrix of cells:
 This subclass is indented under subclass 459.  Subject matter wherein the means to sense the record includes a matrix of light responsive devices.
(1) Note. Included here are photoelectric camera tubes.
  
[List of Patents for class 235 subclass 461]    461One dimensional scan:
 This subclass is indented under subclass 458.  Subject matter including apparatus to scan the record along one dimension while the movement of the record provides the other scanning component.
  
[List of Patents for class 235 subclass 462.01]    462.01Bar code:
 This subclass is indented under subclass 454.  Subject matter including means for sensing a coded indicia formed by a combination of bars or bars and spaces having different light reflective characteristics.
(1) Note. The white area between two black bars is referred to a white bar or a space.
(2) Note. Included here are bar code sensors for detecting the bar code or bar code readers having means, such as a photo-detector, to sense and convert the light reflected off a coded indicia into an electrical signal, and means, such as a processor with a decoder, to receive and convert that signal into representative information thereof.

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250Radiant Energy,   subclass 271 for invisible radiation responsive code readers and subclasses 555+, 566+ for photocell systems including means to illuminate a coded record.
358Facsimile and Static Presentation Processing,   subclasses 474 through 498and 504-514 for scanner in a facsimile system.
359Optical: Systems and Elements,   subclasses 196.1 through 226.3for optical structure of scanner using light deflection.
382Image Analysis,   subclass 140 for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.02]    462.02Bar code having a plurality of bars with different heights (e.g., Postnet bar code):
 This subclass is indented under subclass 462.01.  Subject matter including means to read a bar code having tall and short bars.
(1) Note. Postnet bar code is a bar code that has been used by The United States Postal Service to facilitate the automatic sorting and routing of mail pieces.

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494,for particular coded pattern reader.

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382Image Analysis,   subclasses 101+ for mail processing, subclass 140 for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.03]    462.03Circular bar code (e.g., concentric circles or sun burst):
 This subclass is indented under subclass 462.01.  Subject matter including means to read a bar code having a circular configuration.
(1) Note. The code can be in the form of concentric circles where information varies with diameter or, a circular track where information varies with angular position.

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494,for a particular coded pattern reader.

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382Image Analysis,   subclass 140 for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.04]    462.04Bar code with bars of more than two colors (e.g., multicolored bar code, multilevel gray):
 This subclass is indented under subclass 462.01.  Subject matter including means to read a bar code having at least three distinct light reflective characteristics.
(1) Note. The space is counted as one of the different reflective levels of the bar; for example, two different colored bars besides the white space (e.g., red and blue and a white space, or a white space, a black bar, and a gray bar) is classified herein.

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462.02,for a bar code having a plurality of bars of different heights (e.g., Postnet bar code).
462.03,for a circular bar code.
469,for a color coded indicia optical reader.
494,for a particular code pattern.

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382Image Analysis,   subclass 140 for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.05]    462.05Means to read bar code on a transparent medium (e.g., film):
 This subclass is indented under subclass 462.01.  Subject matter including means to read a bar code on a medium through which light passes with minimal reflection, absorption, and distortion.

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462.02,for a bar code having a plurality of bars of different heights (e.g., Postnet bar code).
462.03,for a circular bar code.
462.04,for a bar code with bars of more than two colors
462.07,for a bar code reader with means to decode multiple types or formats of bar code symbols
494,for a particular code pattern.

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348Television,   subclasses 96+ for a film scanner for a television application.
358Facsimile,   subclasses 506 , 487 for transparency scanning in a facsimile system.
  
[List of Patents for class 235 subclass 462.06]    462.06Light level adaptation:
 This subclass is indented under subclass 462.01.  Subject matter including means to maintain the light contrast or compensate for variations in the light contrast between the bar code to be sensed and the background illumination of the record.

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455,for a coded record sensor with light level control.

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250Radiant Energy,   subclass 205 wherein the intensity of the light illuminating an area is controlled.
359Optical: Systems and Elements,   subclasses 237+ , 325 for optical modulator and demodulator.
  
[List of Patents for class 235 subclass 462.07]    462.07Means to decode multiple types or formats of bar code symbols (e.g., UPC, JAN, EAN, etc.):
 This subclass is indented under subclass 462.01.  Subject matter including means to read more than one type of bar code.
(1) Note. UPC (Universal Product Code), JAN (Japan Article Numbering), and EAN (Europe Article Numbering) are one dimensional bar codes of different formats used for product inventory (e.g., to identify type, date, serial number, etc., of a product).
(2) Note. Types or formats of bar code include single-width bar code or multi-width bar code, dark bars on white background or white bars on dark background, one dimension or two dimension bar code, high density or low density bar code, etc.

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494,for a particular code pattern.

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358Facsimile and Static Presentation Processing,   subclasses 474 through 498and 504-514 for scanner in a facsimile system.
382Image Analysis,   subclass 140 for an optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.08]    462.08Bar code location or selection:
 This subclass is indented under subclass 462.01.  Subject matter including means to determine the position or orientation of a bar code on an object.

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358Facsimile and Static Presentation Processing,   subclass 488 for scanning in a facsimile system with document position detection.
  
[List of Patents for class 235 subclass 462.09]    462.092-D bar code:
 This subclass is indented under subclass 462.08.  Subject matter including means to determine the position or orientation of a 2-D bar code on an object.
(1) Note. A two-dimensional bar code is a bar code consisting of several different rows of bar codes positioned one above the other.

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462.07,for a bar code reader with means to read 2-D bar code and 1-D bar code.
462.1,for decoding a 2D-bar code
462.11,for detecting a 2-D bar code using a CCD.
  
[List of Patents for class 235 subclass 462.1]    462.1Means to decode a 2-D bar code:
 This subclass is indented under subclass 462.01.  Subject matter including means to read a two-dimensional bar code.
(1) Note. This subclass includes means to decode bar code symbols in either binary images (images represented in two levels, e.g., high or low) or gray-scale images (images consisting of an array of pixels which can have more than two values).
(2) Note. A pixel is the smallest distinguishable and resolvable area in an image. Many pixels in a line going in one direction are known as the primary or fast scan and others going in a perpendicular direction are known as the secondary or slow scan direction.

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462.07,for a bar code reader with means to read a 2-D bar code and a 1-D bar code.
462.09,for location of a 2-D bar code.

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382Image Analysis,   subclass 237 for gray level to binary image coding.
  
[List of Patents for class 235 subclass 462.11]    462.11Including an imager (e.g., CCD or camera-type reader):
 This subclass is indented under subclass 462.1.  Subject matter wherein an image of a bar code is focused onto an image sensor such as a charge coupled device.
(1) Note. A charge coupled device (CCD) is a semiconductor storage device in which an electrical charge is moved across the surface of a semiconductor by electrical control signals.

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462.41,for a bar code reader using CCD.

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358Facsimile and Static Presentation Processing,   subclasses 482 , 483, 513, and 514 for a solid-state scanner in a facsimile system.
382Image Analysis,   subclass 312 for image sensing using CCD.
  
[List of Patents for class 235 subclass 462.12]    462.12Bar code stitching (e.g. forming a complete bar code from several partial scans):
 This subclass is indented under subclass 462.01.  Subject matter wherein the reader reconstitutes complete information of a bar code from two or more fragments of the bar code.
  
[List of Patents for class 235 subclass 462.13]    462.13Combined with diverse art device (e.g., security tag deactivator):
 This subclass is indented under subclass 462.01.  Subject matter wherein a bar code reader is combined with a device that has a different utility and that does not aid the bar code reader in performing its function.
(1) Note. Devices such as object detectors or range finders which are used to turn the bar code reader or focus the reader are perfecting features of the reader and are not classified herein.
  
[List of Patents for class 235 subclass 462.14]    462.14Stationary bar code reader:
 This subclass is indented under subclass 462.01.  Subject matter wherein the object carrying the coded indicia is transported or moved toward a reading station where the reader is located.

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475,for an optical sensor with a feed mechanism for a coded record.

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358Facsimile and Static Presentation Processing,   subclasses 474 through 498and 505-514 for a scanner in a facsimile system.
  
[List of Patents for class 235 subclass 462.15]    462.15Programming or computer interface feature:
 This subclass is indented under subclass 462.01.  Subject matter wherein the reader has a processor for reconfiguring itself to meet a specific need of other host systems having different operating characteristics.

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710Electrical Computers and Digital Data Processing Systems: Input/Output,   appropriate subclassesfor input/output data processing.
  
[List of Patents for class 235 subclass 462.16]    462.16Bar width determination:
 This subclass is indented under subclass 462.01.  Subject matter wherein the reader measures the width of each bar of the bar code for decoding the bar code.
(1) Note. Normally, widths of bar or space are defined as wide or narrow.
  
[List of Patents for class 235 subclass 462.17]    462.17Using plural sensors:
 This subclass is indented under subclass 462.16.  Subject matter wherein more than one sensing means are used to distinguish different bar widths from each other.

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358Facsimile and Static Presentation Processing,   subclass 514 for scanning with plural sensors.
  
[List of Patents for class 235 subclass 462.18]    462.18Using counter or timer:
 This subclass is indented under subclass 462.16.  Subject matter having a counter mean or a timer mean used to produce a series of counts or times representing the widths of the bars.

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462.27,for a clock generating or sampling circuit.

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327Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,   subclasses 23+ , 31+ for signal discriminating by pulse coincidence or pulse width.
377Electrical Pulse Counters, Pulses Dividers, or Shift Registers: Circuit and Systems,   subclasses 37 , 111 for particular input circuits for counters.
  
[List of Patents for class 235 subclass 462.19]    462.19Including count or time to binary conversion (e.g., Wide=1, Narrow=0):
 This subclass is indented under subclass 462.18.  Subject matter including a circuit to receive the series of counts or times and produce a series of ones and zeros with one number representing a wide element and the other the narrow element.
  
[List of Patents for class 235 subclass 462.2]    462.2Aiming or positioning adjunct (e.g. viewfinder, pointer, or positioning aid):
 This subclass is indented under subclass 462.01.  Subject matter including means for assisting the user of a reader in positioning either the reader or a coded object in the correct position for reading the code.

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396Photography,   subclasses 378+ for photographing using a viewfinder with selective or adjustable viewfinder field.
  
[List of Patents for class 235 subclass 462.21]    462.21Using spotter beam:
 This subclass is indented under subclass 462.2.  Subject matter wherein the positioning aid is a visible light projector which produces a light pattern indicating the reading zone of the reader.

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382Image Analysis,   subclass 322 for image sensing using a single spot scanner.
  
[List of Patents for class 235 subclass 462.22]    462.22Extended reader working range (e.g., multiple focal planes):
 This subclass is indented under subclass 462.01.  Subject matter including means to read a bar code at a wide range of different distances from the reader.
(1) Note. The working range is the area around the focal plane that can yield a successful decoding. To be classified herein, the range must exceed the range of the standard reader.

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396Photography,   subclasses 121+ for a camera with plural focusing or range finding areas.
  
[List of Patents for class 235 subclass 462.23]    462.23Auto-focusing:
 This subclass is indented under subclass 462.22.  Subject matter including a lens system controlled by an electrical motor (such that a light beam is properly focused for accurate bar code reading) in response to the working range of the bar code reader.

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382Image Analysis,   subclass 255 for focus measuring or adjustment by image enhancement or restoration.
  
[List of Patents for class 235 subclass 462.24]    462.24Using an imager (e.g., CCD or camera-type reader):
 This subclass is indented under subclass 462.23.  Subject matter wherein an image of a bar code is focused onto an image sensor such as a charge coupled device.
(1) Note. A charge coupled device (CCD) is a semiconductor storage device in which an electrical charge is moved across the surface of a semiconductor by electrical control signals.

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462.41,for a bar code reader using CCD.

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358Facsimile and Static Presentation Processing,   subclasses 482 , 483, 513, and 514 for a solid-state scanner in a facsimile system.
382Image Analysis,   subclass 312 for image sensing using CCD.
  
[List of Patents for class 235 subclass 462.25]    462.25Reader processing circuitry:
 This subclass is indented under subclass 462.01.  Subject matter including specific circuitry that receives a signal from the photo-detector and converts it into a representative information signal of the bar code.

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358Facsimile and Static Presentation Processing,   subclasses 474 through 498and 505-514 for a scanner in a facsimile system.
382Image Analysis,   subclass 140 for optical imager or reader for reading MICR data, subclasses 182+ for pattern recognition, and subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.26]    462.26Amplitude control (e.g., automatic gain control):
 This subclass is indented under subclass 462.25.  Subject matter including a circuit element to control the ratio of the output of an amplifier to its inputs.

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327Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,   subclasses 178+ , 306+ for signal converting, shaping, or generating with amplitude control.
330Amplifiers,   subclasses 278+ for a semiconductor amplifying device with gain control.
455Telecommunications,   subclasses 232.1+ , 355 for gain control of signals at a receiver.
  
[List of Patents for class 235 subclass 462.27]    462.27Analog to square wave converter (e.g., digitizer, binarizer, slicer):
 This subclass is indented under subclass 462.25.  Subject matter including means for changing a continuously variable voltage signal from the photo-detector into a signal having only two discrete levels, one representing the bars and the other, the spaces.

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327Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,   subclasses 100+ for signal converting, shaping or generating.
341Coded Data Generation or Conversion,   subclass 200 for a quantizer.
358Facsimile and Static Presentation Processing,   subclasses 465 and 466 for thresholding an image signal to determine the level (black or white) of the image.
382Image Analysis,   subclasses 270+ for image restoration using variable threshold, gain, or slice level of an image signal.
  
[List of Patents for class 235 subclass 462.28]    462.28Clock generating or sampling circuit (e.g., synchronizing):
 This subclass is indented under subclass 462.25.  Subject matter including means for generating a predetermined timing pulse used to control the signal received from the photo-detector.

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327Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,   subclasses 33 , 91+ for sampling circuits and subclasses 164, 291+ for clock or pulse generating circuits.
360Dynamic Magnetic Information Storage or Retrieval,   subclass 51 for similar clock recovery systems used in magnetic recorders.
713Electrical Computers and Digital Processing Systems,   subclasses 500 through 503for clock, pulse, or timing signal generation or analysis.
  
[List of Patents for class 235 subclass 462.29]    462.29Noise reduction circuit (e.g., electrical filter):
 This subclass is indented under subclass 462.25.  Subject matter including electrical filter (such as low pass, band pass, or high pass filter) to eliminate an unwanted signal.

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327Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,   subclasses 551+ for unwanted signal suppression.
708Electrical Computers:Arithmetic Processing and Calculating,   subclasses 300 through 323and 819 for digital or analog filtering respectively of a data signal.
  
[List of Patents for class 235 subclass 462.3]    462.3Scanner power on/off:
 This subclass is indented under subclass 462.01.  Subject matter including circuitry to control the activation of the reader.
(1) Note. Examples of subject matter found herein are means to deactivate (e.g. automatic turn off) the scanner after a successful decoding is obtained.

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323Electricity Power Supply or Regulations Systems,   appropriate subclasses for power supply control.
  
[List of Patents for class 235 subclass 462.31]    462.31Including object detection:
 This subclass is indented under subclass 462.3.  Subject matter including a circuit to determine if a code indicia is within reading range of the reader and to control and activate the reader in response to a detected signal.
  
[List of Patents for class 235 subclass 462.32]    462.32Specific scanning detail (e.g., scanner with a specific scanning field of view):
 Subject matter under 462.01 including means to either move a light spot across the code (flying spot scanner) or to move the field of view of a detector across the code (scanning the field of view) or to do both (retro scanner).

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470,for an optical reader including means for scanning or orienting the coded indicia relative to the sensing structure.

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250Radiant Energy,   subclasses 271+ , 555+, 566+ for photocell systems wherein a coded record is viewed by the system and subclasses 234+ for means for moving an optical element.
348Television,   subclasses 195+ for mechanical scanners useful in television.
358Facsimile and Static Presentation Processing,   subclasses 474 through 498for facsimile-type scanners.
359Optical: Systems and Elements,   subclasses 196.1 through 226.3for light deflection systems useful in scanning.
382Image Analysis,   subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.33]    462.33Moving a spot of light (e.g., flying spot scanner):
 This subclass is indented under subclass 462.32.  Subject matter wherein a light beam is caused to move across the code.
(1) Note. The sensors field of view may be either fixed or moved with the light.

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359Optical: Systems and Elements,   subclasses 196.1 through 226.3for light deflection systems useful in scanning.
  
[List of Patents for class 235 subclass 462.34]    462.34Hologram
 This subclass is indented under subclass 462.33.  Subject matter wherein the light beam moving means includes a hologram.
(1) Note. A hologram is an interference pattern produced by a split coherent beam of light.

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457,for an optical coded record sensor including means to sense a holographically encoded pattern.

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359Optical: Systems and Elements,   subclasses 15+ for using a hologram as an optical element.
  
[List of Patents for class 235 subclass 462.35]    462.35Having a transmissive optical element (e.g., lens, prism, or aperture):
 This subclass is indented under subclass 462.33.  Subject matter wherein the light is caused to move across the code indicia by passing the light through an element such as lens, prism, or aperture.
(1) Note. A transmissive optical element is an element that permits the passage of lights rays.

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359Optical: Systems and Elements,   subclasses 209.1 through 211.6for light deflection using a transmissive moving element.
  
[List of Patents for class 235 subclass 462.36]    462.36Using a moving mirror:
 This subclass is indented under subclass 462.33.  Subject matter wherein the light beam is caused to move by reflecting a beam of light off a moving mirror.
(1) Note. A moving mirror can be a nonrotating (e.g. oscillating or reciprocating) or rotating mirror. Included in this subclass is a nonrotating mirror.
(2) Note. Oscillation is a back and forth movement of a limited arc about a pivot; reciprocation is a linear back and forth motion.

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359Optical: Systems and Elements,   subclasses 212.1 through 215.1for light deflecting systems using a moving reflector.
  
[List of Patents for class 235 subclass 462.37]    462.37Pattern mirror detail for nonrotating mirror:
 This subclass is indented under subclass 462.36.  Subject matter including a single non-rotating (e.g., oscillating or reciprocating) mirror which receives the light from a light source and reflects that light in form of a more complex light pattern to the code to be read.
(1) Note. A mirror that moves back and forth in a limited arc is an oscillating mirror; a mirror that linearly moves back and forth is a reciprocating mirror.
(2) Note. The complex light pattern is used to capture a bar code at different angles.

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462.4,for pattern mirror details in rotating polygon mirror system.
  
[List of Patents for class 235 subclass 462.38]    462.38Rotating:
 This subclass is indented under subclass 462.36.  Subject matter including a mirror which is mounted to turn completely about an axis normally in only one direction (e.g., clockwise).

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359Optical: Systems and Elements,   subclass 226.1 for a deflecting system using a rotating reflector.
  
[List of Patents for class 235 subclass 462.39]    462.39Polygon:
 This subclass is indented under subclass 462.37.  Subject matter wherein the mirror has three or more faces or sides that are parallel to the axis of rotation.

SEE OR SEARCH CLASS:

359Optical: Systems and Elements,   subclasses 216.1 through 217.4for a deflecting system using a multifaceted rotating element.
  
[List of Patents for class 235 subclass 462.4]    462.4Pattern mirror detail for rotating mirror:
 This subclass is indented under subclass 462.39.  Subject matter including a polygon which receives the light from a light source and reflects that light in form of a more complex light pattern to the code to be read.
(1) Note. The complex light pattern is used to capture a bar code at different angles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.37,for a pattern mirror in a nonrotating mirror system.
  
[List of Patents for class 235 subclass 462.41]    462.41Using an imager (e.g., CCD):
 This subclass is indented under subclass 462.01.  Subject matter wherein an image of the bar code is focused onto an image sensor such as a charge coupled device.
(1) Note. A charge coupled device (CCD) is a semiconductor storage device in which an electrical charge is moved across the surface of a semiconductor by electrical control signals.
(2) Note. The sensor normally has a set of discrete photosensitive cells or pixels.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.11,for detecting a 2-D bar code using a CCD.
462.24,for extending the working range of the bar code reader using a CCD.

SEE OR SEARCH CLASS:

348Television,   subclasses 298+ and 311+ for cameras with CCD-type image sensor.
358Facsimile and Static Presentation Processing,   subclasses 482 , 483, 513, and 514 for a facsimile scanner using CCD.
382Image Analysis,   subclass 312 for image sensing using CCD.
  
[List of Patents for class 235 subclass 462.42]    462.42Illumination detail (e.g., LED array):
 This subclass is indented under subclass 462.41.  Subject matter including details of the light source.

SEE OR SEARCH CLASS:

250Radiant Energy,   subclass 553 for an array of solid state light sources.
362Illumination,   subclasses 3+ for photographic lighting and subclass 800 for LEDs.
  
[List of Patents for class 235 subclass 462.43]    462.43Specified housing or mounting detail:
 This subclass is indented under subclass 462.01.  Subject matter including detail about a container or a container mounting of the reader.

SEE OR SEARCH CLASS:

382Image Analysis,   subclasses 312+ for image sensing.
  
[List of Patents for class 235 subclass 462.44]    462.44Body attached:
 Subject matter under 462.43 including means for mounting the reader on a human body.
  
[List of Patents for class 235 subclass 462.45]    462.45Hand-held (e.g., portable):
 This subclass is indented under subclass 462.43.  Subject matter wherein the housing is sized to be easily carried and used by an operator.

SEE OR SEARCH CLASS:

358Facsimile and Static Presentation Processing,   subclass 473 for a hand-held scanner.
382Image Analysis,   subclasses 313+ for hand-held image sensing.
  
[List of Patents for class 235 subclass 462.46]    462.46Wireless link (e.g., RF, IR, etc.):
 This subclass is indented under subclass 462.45.  Subject matter wherein the reader includes a wireless communication means for transmitting data to a host computer or a processor.
(1) Note. A wireless link includes radio frequency, infrared, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

472.02,for a hand-held reader of coded indicia using a wireless link.
  
[List of Patents for class 235 subclass 462.47]    462.47Interchangeable scanning head or detachable handle:
 This subclass is indented under subclass 462.45.  Subject matter wherein a scanning head can be easily detached from the body of the reader whereby it can be rotated 180 degrees (e.g. for left- and/or right-handed use) or wherein the grip of the reader is configured to accept a different scanning head.
  
[List of Patents for class 235 subclass 462.48]    462.48Trigger detail:
 Subject matter under 462.45 including detail of a manually actuated control element that initiates the reading of a bar code.
  
[List of Patents for class 235 subclass 462.49]    462.49Wand-type reader (e.g., manual scan):
 This subclass is indented under subclass 462.45.  Subject matter wherein the reader is in the shape of a pen and is manually moved across the bar code for reading.

SEE OR SEARCH THIS CLASS, SUBCLASS:

472.03,for a wand-type reader for coded indicia.

SEE OR SEARCH CLASS:

345Computer Graphics Processing and Selective Visual Display Systems,   subclasses 179+ for display peripheral interface input devices using stylus.
358Facsimile and Static Presentation Processing,   subclass 478 for a stylus-type scanner in a facsimile system.
  
[List of Patents for class 235 subclass 468]    468Invisible:
 This subclass is indented under subclass 454.  Subject matter wherein the coded indicia is in the form of invisible markings which are made visible by illumination by an appropriate source and including means to analyze signals representative of the indicia.
(1) Note. Included here are devices that sense records encoded with fluorescent, etc. material, which records are illuminated by infrared or ultraviolet light sources.
(2) Note. The subject matter in this subclass and those indented hereunder differs from that found in Class 250 in that the light detected is converted to an electrical signal which is further processed by particular circuitry, the particular circuitry including the generating and utilization of timing and sync signals, the storage of signals, and means to perform counting operations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

491,for records encoded with fluorescent, phosphorescent, or other radiation emitting substance.

SEE OR SEARCH CLASS:

250Radiant Energy,   subclasses 336.1+ for invisible radiant energy responsive systems, per se, and subclass 271 for invisible coded record sensors, wherein no processing circuitry as outlined in (2) Note is included.
  
[List of Patents for class 235 subclass 469]    469Color coded:
 This subclass is indented under subclass 454.  Subject matter including means to detect and differentiate different color markings on the record, the different colors representing different information.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.04,for a colored bar code reader.
  
[List of Patents for class 235 subclass 470]    470With scanning of record:
 This subclass is indented under subclass 454.  Subject matter including means to scan the coded indicia on the record or to properly orient the coded indicia projected to the sensor.

SEE OR SEARCH CLASS:

250Radiant Energy,   subclasses 234+ for means for moving optical systems.
348Television,   subclasses 96+ for film, disc, or card scanning.
358Facsimile and Static Presentation Processing,   subclasses 474 through 498for facsimile scanning systems.
359Optical: Systems and Elements,   subclasses 196.1 through 226.3for rotating or oscillating elements which produce light deflection.
386Motion Video Signal Processing for Recording or Reproducing,   appropriate subclasses for recording television or video signal.
  
[List of Patents for class 235 subclass 471]    471Cathode-ray tube:
 This subclass is indented under subclass 470.  Subject matter wherein the means to scan includes a cathode-ray tube.

SEE OR SEARCH CLASS:

358Facsimile and Static Presentation Processing,   subclass 485 for means to scan a document with a cathode-ray tube.
386Motion Video Signal Processing for Recording or Reproducing,   subclass 342 for recording television or video signal by utilizing cathode-ray tube.
  
[List of Patents for class 235 subclass 472.01]    472.01Hand-held (e.g., portable):
 This subclass is indented under subclass 454.  Subject matter wherein the housing is sized to be easily carried and used by an operator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.45,for a hand-held bar code reader.
  
[List of Patents for class 235 subclass 472.02]    472.02Wireless link (e.g., RF, IR, etc.):
 This subclass is indented under subclass 472.01.  Subject matter wherein the reader includes a wireless communication means (e.g. RF, IR, etc.) for transmitting data to a host computer or a processor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.46,for a portable bar code reader with a wireless link.
  
[List of Patents for class 235 subclass 472.03]    472.03Wand-type reader (e.g., manual scan):
 This subclass is indented under subclass 472.01.  Subject matter wherein the reader is in the shape of a pen and is manually moved across the code indicia for reading.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.49,for a wand-type bar code reader.

SEE OR SEARCH CLASS:

345Computer Graphics Processing and Selective Visual Display Systems,   subclasses 179+ for display peripheral interface input devices using stylus.
358Facsimile and Static Presentation Processing,   subclass 478 for stylus-type scanner in facsimile system.
  
[List of Patents for class 235 subclass 473]    473Light pipes:
 This subclass is indented under subclass 454.  Subject matter wherein light fibers are utilized to convey light from a light source to the coded indicia on the record and/or from the coded indicia to a sensor.

SEE OR SEARCH CLASS:

250Radiant Energy,   subclasses 227.11+ for light conducting rods utilized as pre-photocell optical systems.
385Optical Waveguides,   appropriate subclasses for light conducting rods, per se.
  
[List of Patents for class 235 subclass 474]    474Synchronization:
 This subclass is indented under subclass 435.  Subject matter including means to activate the sensing machine upon detection of a record and at times related to the speed at which the record is fed past the sensing machine.
(1) Note. Included here is structure to sense timing marks on a record.
(2) Note. Included here is structure to synchronize the transfer of signals from the sensing mechanism to other circuitry.

SEE OR SEARCH CLASS:

375Pulse or Digital Communications,   subclasses 354+ for synchronization systems, per se.
  
[List of Patents for class 235 subclass 475]    475Feed mechanisms:
 This subclass is indented under subclass 435.  Subject matter including means to automatically insert and/or transport the record past the sensing machine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462.14,for a fixed station bar code reader.

SEE OR SEARCH CLASS:

242Winding, Tensioning, or Guiding,   for apparatus to wind web material such as a tape.
271Sheet Feeding or Delivering,   appropriate subclasses for particular sheet feeding mechanisms.
  
[List of Patents for class 235 subclass 476]    476Control circuits:
 This subclass is indented under subclass 475.  Subject matter including circuits to control the operation of the transport means.
(1) Note. Included here are means to control the speed with which the record moves past the sensing machine.
  
[List of Patents for class 235 subclass 477]    477Direction:
 This subclass is indented under subclass 476.  Subject matter including means to control the direction in which the record passes the sensing machine.
  
[List of Patents for class 235 subclass 478]    478Pneumatic feed:
 This subclass is indented under subclass 475.  Subject matter wherein the record is transported under the control of a suction force that maintains the record in contact with a motive means, or the record is inserted into an evacuated space causing the record to move in the desired direction.

SEE OR SEARCH CLASS:

271Sheet Feeding or Delivering,   subclasses 4.01+ and 11+ for pneumatic separators, subclasses 90+ for pneumatic feeding devices, and subclasses 194+ for pneumatic conveyors.
406Conveyors: Fluid Current,   appropriate subclasses for particular devices to pneumatically move articles.
  
[List of Patents for class 235 subclass 479]    479Carriage:
 This subclass is indented under subclass 475.  Subject matter wherein the record is placed in or on a support that is moved past the sensing machine.
  
[List of Patents for class 235 subclass 480]    480Direction reverse:
 This subclass is indented under subclass 475.  Subject matter wherein the means to transport the record includes means to reverse the direction in which the record is traveling after it has passed the sensing machine.

SEE OR SEARCH CLASS:

271Sheet Feeding or Delivering,   subclasses 184+ and 255 for means to intermittently advance a sheet.
  
[List of Patents for class 235 subclass 481]    481Intermittent feed:
 This subclass is indented under subclass 475.  Subject matter including means to progressively step the record past the sensing machine.

SEE OR SEARCH CLASS:

271Sheet Feeding or Delivering,   subclasses 114+ and 266 for means to intermittently advance a sheet.
  
[List of Patents for class 235 subclass 482]    482Hand feed:
 This subclass is indented under subclass 435.  Subject matter wherein a single record is manually presented to the sensing machine.
  
[List of Patents for class 235 subclass 483]    483Guides:
 This subclass is indented under subclass 435.  Subject matter including means to control the direction of movement and/or position of the record as it is transported through the sensing machine.

SEE OR SEARCH CLASS:

271Sheet Feeding or Delivering,   subclasses 184+ and 255 for means to change direction of sheet travel or its orientation during delivery.
  
[List of Patents for class 235 subclass 484]    484Adjustable:
 This subclass is indented under subclass 483.  Subject matter wherein the means to control is adjustable to accommodate different size records.
  
[List of Patents for class 235 subclass 485]    485Aligning records:
 This subclass is indented under subclass 483.  Subject matter including means to position the record such that each item of coded indicia on the record is placed in proper orientation relative to the sensing device to insure accurate detection of the coded indicia.

SEE OR SEARCH CLASS:

271Sheet Feeding or Delivering,   subclasses 226+ for means to align the sheet.
  
[List of Patents for class 235 subclass 486]    486Holding devices:
 This subclass is indented under subclass 435.  Subject matter including means to retain the record in a fixed position or configuration as it is being sensed.
  
[List of Patents for class 235 subclass 487]    487RECORDS:
 This subclass is indented under the class definition.  Subject matter including an object containing coded indicia adapted to be read by a machine.
(1) Note. The term coded indicia is meant to include markings, symbols, or combinations thereof, that represent numbers or letters of the alphabet.

SEE OR SEARCH CLASS:

40Card, Picture, or Sign Exhibiting,   appropriate subclasses for particular card structure, in particular subclass 360 for sheet carrying indicia.
206Special Receptacle or Package,   subclass 459 for receptacles containing indicia which may be in code form.
250Radiant Energy,   for X-rays, per se.
283Printed Matter,   appropriate subclasses for particular items containing different forms of printed matter.
359Optical: Systems and Elements,   subclasses 1+ for holograms.
360Dynamic Magnetic Information Storage or Retrieval,   subclasses 131+ for magnetic record mediums.
  
[List of Patents for class 235 subclass 488]    488Laminated:
 This subclass is indented under subclass 487.  Subject matter wherein the record includes at least two substantially planar layers affixed together.

SEE OR SEARCH CLASS:

428Stock Material or Miscellaneous Articles,   appropriate subclasses for laminated articles, per se.
  
[List of Patents for class 235 subclass 489]    489Perforated:
 This subclass is indented under subclass 487.  Subject matter wherein the coded indicia is in the form of perforations in the record.
  
[List of Patents for class 235 subclass 490]    490Projections:
 This subclass is indented under subclass 487.  Subject matter wherein the coded indicia includes areas on the record that project above the plane or surface area of the record.
  
[List of Patents for class 235 subclass 491]    491Fluorescent, phosphorescent, radiation emitting:
 This subclass is indented under subclass 487.  Subject matter wherein the coded indicia is placed on the record by the use of fluorescent, phosphorescent, or a radiation emitting substance.
  
[List of Patents for class 235 subclass 492]    492Conductive:
 This subclass is indented under subclass 487.  Subject matter wherein the coded indicia on or within the record is formed from conductive materials or substances.
  
[List of Patents for class 235 subclass 493]    493Magnetic:
 This subclass is indented under subclass 487.  Subject matter wherein the coded indicia on or within the record is formed from magnetic materials or substances.

SEE OR SEARCH CLASS:

341Coded Data Generation or Conversion,   subclass 15 for magnetic pattern reading type analog to digital converters.
360Dynamic Magnetic Information Storage or Retrieval,   subclasses 131+ for records having a continuous coating of magnetic material upon which information is recorded.
  
[List of Patents for class 235 subclass 494]    494Particular code pattern:
 This subclass is indented under subclass 487.  Subject matter wherein different items of information are represented by particular shaped patterns or arrangements of such patterns.
  
[List of Patents for class 235 subclass 495]    495Templates and guides:
 This subclass is indented under subclass 487.  Subject matter including aids to scan the record in the correct place or to place coded indicia on the record in the correct place.
  

CROSS-REFERENCE ART COLLECTIONS

[List of Patents for class 235 subclass 900]    900MEANS TO AFFIX BAR CODE (E.G., ATTACHING, ETCHING, COATING, PRINTING, ETC.):
 This subclass is indented under the class definition.  Cross reference art collection including means to provide a bar code on a medium (e.g., attaching, etching, coating, printing, etc.).
  
[List of Patents for class 235 subclass 901]    901BAR CODE READER SPECIALIZED TO READ CODE ON A HIGHLY REFLECTIVE SURFACE:
 This subclass is indented under the class definition.  Cross reference art collection wherein a bar code reader includes means to process or accommodate light coming from a highly reflective surface.
  

FOREIGN ART COLLECTIONS

The definitions below correspond to abolished subclasses from which these collections were formed. See the Foreign Art Collection Schedule of this Class for specific correspondences . [Note: the titles and definitions for indented art collections include all the details of the one(s) that are hierarchically superior.]

FOR 100Bar code:
 Foreign art collections including means to sense coded indicia formed by a combination of bars having different reflective characteristics, spacings, and/or widths.
  
FOR 101Bar width detection:
 Foreign art collections including means to detect and indicate the width of the bars and/or the spacing between the bars.
  
FOR 102Radially configured:
 Foreign art collections including subject matter wherein the bars are arranged in a circle and located at points or various distances along the radii of the circle.
  
FOR 103Color:
 Foreign art collections including subject matter wherein the different reflective characteristics include three or more colors.
  
FOR 104Timing:
 Foreign art collections including means to synchronize the sensing apparatus in order to distinguish each indicia position.
  
FOR 105Rotating prisms or mirrors:
 Foreign art collections including prisms or mirrors for scanning or orienting the coded indicia relative to the sensing structure.
  
FOR 106Hand held:
 Foreign art collections including subject matter in which the structural elements of the sensor are enclosed within a device capable of being held in the human hand.
  

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