US PATENT SUBCLASS 91 / 417 R
.~ Motive fluid constantly applied to one working member face (235) (321)

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

415  DF  DIFFERENTIAL {2}
417 R.~ Motive fluid constantly applied to one working member face (235) (321) {1}
417 A  DF  .~.~> Staplers having two diameter pistons

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 91/417

(under subclass 415) Apparatus in which motive fluid is applied to one working face of the motor under all conditions of operation of the motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235, and 321, for cyclically operable motors of the differential type in which motive fluid is constantly applied to one working member face. NOTE "PLACEMENT OF PATENTS" IN THE CLASS DEFINITION AND THE PARAGRAPH FOLLOWING THE TITLE IN THE SCHEDULE OF THIS CLASS.