US PATENT SUBCLASS 29 / 252-- .~.~ Having fluid operator

US PATENT SUBCLASS 29 / 252
.~.~ Having fluid operator

Current as of: June, 1999
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29 /	HD	METAL WORKING

700	DF	MEANS TO ASSEMBLE OR DISASSEMBLE {55}
244	DF	.~ Puller or pusher means, contained force multiplying operator {11}
252		.~.~ Having fluid operator

DEFINITION

Classification: 29/252

Having fluid operator:

(under subclass 244) Apparatus which is operated by fluid pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

254, for assembling device comprising a puller or pusher operated by an explosive.

421.1+, for a process of shaping a part or parts by direct application of fluid pressure.

427, for a process of disassembly utilizing fluid pressure to separate parts.

SEE OR SEARCH CLASS

60, Power Plants,

325, for a residual fluid actuator, per se. 91, Motors: Expansible Chamber Type, for such motors and their controls, per se.

100, Presses,

269.01+, for reciprocating platen presses, not elsewhere provided for, in which fluid pressure actuates the movable platen.

251, Valves and Valve Actuation, for a valve of general utility and an actuating means therefor.

254, Implements or Apparatus for Applying Pushing or Pulling Force,

93, for fluid pressure type.

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