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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.

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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]    60.22Electric readout
 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.