USPC Class Details

Description: 91 motors: expansible chamber type / 91 motors: expansible chamber type/(472) three or more cylinders arranged in parallel radial or conical relationship with rotary transmission axis (476) separate motive fluid control for each working chamber (478) means varies cyclic relation between reciprocating member and control valve therefor

Hierarchy/Derived subclasses

91 / 472-> 476-> 478

uspto searches

Patent Apps in 91/478

Granted Patents in 91/478

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(91/478.ccls.)

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