US PATENT SUBCLASS 254 / 93 R
FLUID PRESSURE

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

93 RFLUID PRESSURE {5}
93 VA  DF  .~> Vehicle attached
93 L  DF  .~> Service station lifts
93 A  DF  .~> Combined with screw
93 HP  DF  .~> Inflatable portable bags
93 H  DF  .~> Portable automobile jacks

Unofficial Alpha Subclasses: R VA L HP H

DEFINITION

Classification: 254/93

FLUID PRESSURE:

(under the class definition) Pushing and pulling implements actuated by fluid pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50.3, for tire spreaders employing fluid pressure means.

201, and 228, for implements or apparatus for tensioning flexible material or extracting stumps or poles having and expansible chamber fluid motor drive.

385, for apparatus for hauling or hoisting a load including rotatable, cable contacting, pulley wheel elements attached to and reciprocated by an expansible fluid motor.

SEE OR SEARCH CLASS

60, Power Plants, 325+, for a motor of general utility driven by motive fluid from a pressure fluid source.

91, Motors: Expansible Chamber Type, appropriate subclasses for expansible chamber motors, per se.

100, Presses,

269.01+, for a fluid pressure actuated reciprocating press construction.

418, Rotary Expansible Chamber Devices, for rotary expansible chamber devices, per se.