US PATENT SUBCLASS 180 / 54.1
POWER

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

54.1POWER {19}
54.2  DF  .~> With spring powered motor
55  DF  .~> On lower running gear {4}
63  DF  .~> Motor moved by axle
291  DF  .~> Having specific motor-to-body-frame relationship {6}
65.1  DF  .~> Electric {5}
301  DF  .~> Including traction motor of turbine type driven by fluid product of combustion
302  DF  .~> Including traction motor of kind driven by expansible fluid from source external of motor {1}
305  DF  .~> Including traction motor of kind driven by noncompressible fluid received under pressure from a pump {3}
309  DF  .~> With means for handling motor exhaust
310  DF  .~> With means to generate steam for a propulsion purpose
68.1  DF  .~> With means to guide and/or control air for power plant cooling {1}
68.3  DF  .~> With means to guide and/or control combustion air for power plant
68.4  DF  .~> Radiators and condensers, mounting {1}
68.5  DF  .~> Battery mountings and holders
69.2  DF  .~> Hoods {4}
69.3  DF  .~> With means to increase idle speed of internal combustion engine to compensate for accessory load
69.4  DF  .~> With fuel supply for internal combustion engine {1}
69.6  DF  .~> Vehicle has plural power plants
69.1  DF  .~> Underpans

DEFINITION

Classification: 180/54.1

POWER:

(under the class definition) Inventions in which the distinguishing feature of the invention relating to the apparatus for producing power, usually its location and arrangement relative to the vehicle.

(1) Note. When a patent contains claims involving the structure of the vehicle in connection with the motor or

power-plant, or the location and arrangement of the motor or power-plant relative to the vehicle, it is placed in this class. The mere mention of a vehicle broadly, or of such parts as are necessarily involved in the definition of a vehicle, in a claim which is in other respects drawn to the specific construction of the motor or power-plant does not cause such an assignment, the classification being then based on the motor or power-plant structure. A search therefore for a motor or power-plant shown in connection with a conventional vehicle must be made in the motor or power-plant classes (e.g., Classes 60, 91, 123, 185, 290, 310, and 415).

(2) Note. The vehicles of this subclass and the subclasses indented thereunder are four-wheeled vehicles of usual wheel-base.

(3) Note. Motors mounted so as to be moved to place a pulley in contact with the tire of a road-wheel will be found in Class 74, Machine Element or Mechanism, subclasses 13+, unless specific vehicle structure is included, in which case they will be found in this class, subclasses 342+.

(4) Note. Motors movable on a frame to enable the power-shaft to drive different shafts, and so change the speed or direction, will be found in Class 74, Machine Element or Mechanism, in appropriate subclasses of Gearing, unless specific vehicle structure is claimed, in which case they will be found in this class, subclasses 364+.

SEE OR SEARCH THIS CLASS, SUBCLASS:

283, for a motor vehicle provided with safety-promoting means which responds to a sensing of acceleration, deceleration, or tilt of the vehicle in a manner whereby the ignition circuit is interrupted. 284, for a motor vehicle provided with safety-promoting means which responds in the manner of the means of subclass 283 noted above and which further responds by impeding the flow of fuel.

342+, (see (3) Note).

364+, (see (4) Note).

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, (see (3) Note and (4) Note).