US PATENT SUBCLASS 74 / 583
.~.~.~ Fluid cushion

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

*  DD  ELEMENTS {10}
579 R  DF  .~ Pitmans and connecting rods {10}
581  DF  .~.~ Yieldable {3}
583.~.~.~ Fluid cushion

DEFINITION

Classification: 74/583

(under subclass 581) Devices comprising yieldable means consisting of fluid means.