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![[Search a list of Patent Appplications for class 310]](../as.gif) CLASS 310, | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
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SECTION I - CLASS DEFINITION
This is the residual class for all subject matter, not elsewhere classified, relating to electrical generator or motor structure.
| (1) Note. This Class was produced in 1953 by making official the unofficial digests which have been established by the Examiners of Division 26 during the period from about 1900 onwards. A caveat is given: while it is believed that the titles and definitions are reasonably accurate, no assurance can be given that all the patents, issued prior to the date of reclassification, are in the proper subclass since only some of these individual patents were read during the reclassification project. Consequently, in making a thorough search in this class, it is advisable to investigate every subclass which may possibly be pertinent and not, in order to shorten the search, to rely upon the principle of superiority of subject matter because of position in the schedule, since that principle is applicable only in classes where each patent has been analyzed and placed in the schedule in accordance with that portion of the disclosed subject matter which is claimed. |
| (2) Note. Since Class 310 takes, under the class definition, only subject matter relating to electrical generator or motor structure not elsewhere classified, its scope can be determined only by determining the scope of other related classes, which classes are listed below under search class. Also consult the search notes in the definitions of these classes. |
| (3) Note. Many mechanical classes contain electrical disclosures, as where an electrical machine is disclosed in a mechanical environment, with which it cooperates. Consequently, in appropriate instances, the search must extend to the class or classes which relate to the environment in which the electrical disclosure may be found. |
SECTION II - REFERENCES TO OTHER CLASSES
SEE OR SEARCH CLASS:
| 4, | Baths, Closets, Sinks, and Spittoons, subclass 213 for the subject matter of that class having electrical ventilating means. |
| 57, | Textiles: Spinning, Twisting, and Twining, subclass 100 for the apparatus of that class having electric motor driving means. |
| 73, | Measuring and Testing, appropriate subclasses for mechanical measuring and testing devices having electric motors or generators as part thereof. |
| 84, | Music, subclasses 600 through 722for electrical musical instruments having means to generate electric currents of particular wave form for use in musical instruments, such as electric organs. Note particularly indented subclasses 1.04+ for electric generators having means which are tuned to resonance. |
| 105, | Railway Rolling Stock, subclasses 49+ for electric locomotives. |
| 123, | Internal-Combustion Engines, subclass 149 for dynamos in combination with electric ignition systems for internal combustion engines. |
| 124, | Mechanical Guns and Projectors, subclass 3 for electromagnetic projectile propelling means. |
| 160, | Flexible or Portable Closure, Partition, or Panel, appropriate subclasses, particularly subclass 310 for this subject matter of that class having electric means to operate it. |
| 173, | Tool Driving or Impacting, appropriate subclass for an electric motor for driving a tool combined with features peculiar to tool driving. Generally, Class 310 includes motors having a named type of tool as a load. However Class 173 provides for a motor having specific impact delivering relationship to a tool, a passage to deliver cleansing or cooling fluid to a tool work surface, specific structure of a handle to manipulate a tool relative to work or plural motors, one of which is described as driving a tool and another as advancing a tool. |
| 198, | Conveyors: Power-Driven, subclass 381 , 439 and 619 for electromagnetic conveyors in which the device or material being moved is moved by the action of a magnetic field. |
| 258, | Railway Mail Delivery, subclass 4 for magnetic apparatus utilized in railway mail delivery. |
| 307, | Electrical Transmission or Interconnections Systems, appropriate subclasses for miscellaneous electric systems having electric generators. Note particularly subclass 82 , 84, 151, and 153. |
| 315, | Electric Lamp and Discharge Devices: Systems, subclass 55 for electric space discharge devices having combined therewith an integral electric generator or piezoelectric device, subclass 78 for vehicle space discharge device or lamp systems having a vehicle motor or vehicle motion driven generator. |
| 318, | Electricity: Motive Power Systems, appropriate subclasses for electric generator or motor structure having significant circuits connected thereto and for electric motor systems controlled by the control of the motor structure. Also note subclasses 538+ for electric motors, per se, having means to control or adjust them by control of the structure of the motor. |
| 320, | Electricity: Battery or Capacitor Charging or Discharging, appropriate subclass for a battery or capacitor charging system that utilizes an electric generator as a source of charge energy. |
| 322, | Electricity: Single Generator Systems, appropriate subclasses for electric generator having electric control systems. |
| 323, | Electricity: Power Supply or Regulation Systems, subclasses 201 through 204for voltage magnitude and phase control systems utilizing motor generator or dynamo electric machine sets. |
| 324, | Electricity: Measuring and Testing, appropriate subclasses for electrical measuring or testing devices and systems having electric generators or motors as part thereof. Note particularly subclasses 160+ for speed measuring systems having tachometer generators and subclasses 76.11+ for electric meters having electric generators or motors as part thereof. |
| 335, | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, subclasses 220+ for electromagnets with armatures (i.e., electric motor of the reciprocating type). |
| 336, | Inductor Devices, appropriate subclasses for structure of inductor devices, (e.g., transformers and inductive reactors), particularly for details of induction windings and coils, magnetic cores and cooling means for inductor. |
| 363, | Electric Power Conversion Systems, subclasses 102+ , 150 and 174+ for electric power conversion systems utilizing dynamoelectric machine converters. |
| 367, | Communications, Electrical: Acoustic Wave Systems and Devices, appropriate subclass for compressional wave sensing systems having electro-vibrational transducers and for the corresponding transducers, per se. |
| 416, | Fluid Reaction Surfaces (i.e., Impellers), appropriate subclasses for electric motor driven impellers wherein the impeller is claimed as more than a named load. |
| 417, | Pumps, subclasses 410.1+ for pumps having electric drive motors. |
| 505, | Superconductor Technology: Apparatus, Material, Process, subclasses 150+ for high temperature (Tc 30 K) superconducting devices, and particularly subclasses 166+ for motors or generators. |
SUBCLASSES
![[List of Patents for class 310 subclass 1]](../ps.gif) 1 | EDUCATIONAL OR CONSTRUCTION UNITS OR KITS | ||
| This subclass is indented under the class definition. Subject matter relating to assemblages of materials utilized
in the fabrication of an electric generator or motor.
SEE OR SEARCH CLASS:
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| 10 | DYNAMOELECTRIC | ||||||||
This subclass is indented under the class definition. Subject matter relating to means for converting electrical
energy between the electrical and the mechanical state by means
of an electromagnetic effect.
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| 11 | Conducting fluid | ||||||
This subclass is indented under subclass 10. Subject matter having a fluid which is significantly related
to the apparatus in a manner other than cooling or lubrication.
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| 12 | Linear | ||||||||||
This subclass is indented under subclass 10. Subject matter in which the dynamoelectric effect takes
place between two relatively movable elements which are constrained
to substantially straight line motion.
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| 13 | Fixed and movable wound elements | ||
| This subclass is indented under subclass 12. Subject matter in which both the fixed and the movable elements
of the dynamoelectric device are provided with current carrying
conductors or inductor.
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| 14 | Solenoid and core type | ||||
| This subclass is indented under subclass 12. Subject matter in which the fixed and the movable elements
of the dynamoelectric device are concentric and consist of a hollow
winding and a plunger type armature passing thereunto.
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| 15 | Reciprocating | ||||||||||||||||||||||||
This subclass is indented under subclass 10. Subject matter in which the movable element of the dynamoelectric
device moves to and fro along a straight line path or along an arcuate path
which is so short as to be substantially a straight line.
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| 16 | With cooling or temperature modification | ||||||
This subclass is indented under subclass 15. Subject matter having means for altering the temperature
conditions of the machine.
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| 17 | With other elements |
| This subclass is indented under subclass 15. Subject matter having means for performing a function which is in addition to the function of the reciprocating dynamo device. | |
| 19 | Speed control or time delay | ||
| This subclass is indented under subclass 17. Subject matter having means for regulating the rate of motion
or the duration of a period of inactivity of the reciprocating dynamoelectric device.
SEE OR SEARCH CLASS:
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| 20 | Motion-converting mechanism | ||
| This subclass is indented under subclass 17. Subject matter having means for mechanically transforming
the character or extent of motion delivered by or imparted to the
dynamoelectric device.
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| 21 | Pivoted or flat-spring armature |
| This subclass is indented under subclass 20. Subject matter in which the moving element of the dynamoelectric device is supported either by a leaf spring or by a pivot located at a distance from the line of relative motion of the dynamoelectric device which is large relative to the extent of movement. | |
| 22 | Plural armatures |
| This subclass is indented under subclass 21. Subject matter having a plurality of movable elements or armatures. | |
| 23 | Solenoid and core type |
| This subclass is indented under subclass 20. Subject matter in which the relatively movable parts of the dynamoelectric device are concentric and consist of a hollow winding and a plunger type armature passing thereunto. | |
| 24 | Plural cores |
| This subclass is indented under subclass 23. Subject matter having a plurality of plunger type armatures. | |
| 25 | Reed type | ||||||
This subclass is indented under subclass 15. Subject matter in which the movable parts of the dynamoelectric
device reciprocate or vibrate at a frequency which is determined
by the natural period of the mounting means for the movable parts.
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| 26 | Magnetostrictive | ||||||||||||
This subclass is indented under subclass 15. Subject matter having means to produce motion or electric
energy by the action of magnetostriction.
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| 27 | Fixed and movable wound elements |
| This subclass is indented under subclass 15. Subject matter in which both of the relatively movable parts of the dynamoelectric device include current carrying conductors or inductor. | |
| 28 | Direct-connected | ||
This subclass is indented under subclass 15. Subject matter which is of the direct connected type.
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| 29 | Pivoted or flat-spring armature | ||
| This subclass is indented under subclass 28. Subject matter in which the relatively movable elements
of the dynamoelectric device are supported by either of a leaf spring
or a pivot located at a point remote from the line of motion of
the dynamoelectric device when compared to the extent of motion
of the latter.
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| 30 | Solenoid and core | ||
| This subclass is indented under subclass 28. Subject matter in which the relatively movable parts of
the dynamoelectric device are concentric and consist of a hollow
winding and a plunger type armature passing thereunto.
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| 31 | Self-actuated interrupter | ||||
| This subclass is indented under subclass 15. Subject matter in which the relative motion of the elements
of the dynamoelectric device actuates an electrical switch which
controls the flow of currents to windings associated with one of
such elements.
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| 32 | Pivoted or flat-spring armature | ||
| This subclass is indented under subclass 31. Subject matter in which the movable element of the dynamoelectric
device is supported or carried by either a reed spring or a pivot located
at a distance from the line of motion of a device which is large
relative to the extent of motion of such element.
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| 33 | Plural armatures |
| This subclass is indented under subclass 32. Subject matter having plural armatures. | |
| 34 | Solenoid and core |
| This subclass is indented under subclass 31. Subject matter in which the relatively movable elements of the dynamoelectric device include a hollow winding and an axial plunger or core embraced by such winding. | |
| 35 | Successively energized solenoid coils |
| This subclass is indented under subclass 34. Subject matter having plural hollow windings and having means to energize the plural windings in sequence or at different times. | |
| 36 | Oscillating | ||||||||||
| This subclass is indented under subclass 10. Subject matter in which the line of motion between the relatively
movable elements of the dynamoelectric device lies along the arc
of a portion of a circle and having means to accommodate such motion,
over and above the means necessary for relative motion along a straight line.
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| 37 | With motion-converting mechanism | ||||
| This subclass is indented under subclass 36. Subject matter in which the relative motion between the
elements of dynamoelectric device is communicated to a load by means
of mechanical means which alter the character or amplitude of such
motion.
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| 38 | Direct-connected |
| This subclass is indented under subclass 36. Subject matter in which the relative motion of the elements of the dynamoelectric device is transmitted to a load by an immediate attachment and without intervening transmitting parts or mechanisms. | |
| 39 | With interrupter | ||||
| This subclass is indented under subclass 36. Subject matter in which an electric switch or its equivalent
controls the flow of currents through windings associated with one
of the relative movable elements of the dynamoelectric device.
SEE OR SEARCH CLASS:
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| 40 | Rotary | ||||||||
This subclass is indented under subclass 10. Subject matter in which the line of motion between the relatively
movable elements of the dynamoelectric device lies along at least
360 degrees of the arc of a circle.
SEE OR SEARCH CLASS:
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| 40.5 | Self-nutating or moving (e.g., oscillating fan, etc.) | ||
| This subclass is indented under subclass 40. Subject matter including a linkage, usually between the
motor and its support, to cause the complete motor to rotate or
oscillate with respect to its support in response to the rotary motion
of the motor rotor or armature.
SEE OR SEARCH CLASS:
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| 41 | With mechanical starters | ||
This subclass is indented under subclass 40. Subject matter in which means are provided to impart initial
rotation to the rotary element of the dynamoelectric device other
than by the dynamoelectric effect.
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| 42 | With assembling, metal casting or machining feature | ||
| This subclass is indented under subclass 40. Subject matter in which separate means are provided, or
in which one or more parts are modified, to facilitate the process
of (1) associating together, (2) casting of molten metal, or (3)
surface cutting, of one or more of component parts.
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| 43 | Molded plastic | ||||||
| This subclass is indented under subclass 40. Subject matter in which one or more component parts of the
dynamo or electric device are fabricated of a plastic nonmetal,
as by a casting or pressure molding operation.
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| 44 | Powdered metal | ||||
| This subclass is indented under subclass 40. Subject matter in which one or more of the component parts
of the dynamoelectric device are fabricated or powdered or sintered
metal particles.
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| 45 | Impregnated or coated | ||||||
This subclass is indented under subclass 40. Subject matter in which one or more parts of the dynamoelectric
device have been treated with liquid material so as to retain within
and/or on the surface of such parts residual amounts of
such liquid material.
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| 46 | Magnetic motors | ||||
This subclass is indented under subclass 40. Subject matter in which one of the relatively movable elements
of the dynamoelectric device consist merely of magnetizable material and
is free of inductor or conductive windings.
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| 47 | Portable or hand tool (e.g., dry shavers) | ||||||||||
This subclass is indented under subclass 46. Subject matter in which the dynamoelectric device is arranged
to be transported or operated while held in the hand.
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| 48 | With other elements | ||||
| This subclass is indented under subclass 46. Subject matter in which the motor is combined with additional
features over and above those required for its operation as a motor.
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| 49 | Step-by-step | ||
This subclass is indented under subclass 46. Subject matter having means to cause rotation between two
or more positions of rest and to stop at a selected position of
rest until an adjustment is made which causes rotation to another
position of rest.
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| 50 |