US PATENT SUBCLASS 16 / 274
.~.~ By fluid lubricant

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

221  DF  HINGE {32}
273  DF  .~ Having means to reduce friction between hinge parts {2}
274.~.~ By fluid lubricant

DEFINITION

Classification: 16/274

By fluid lubricant:

(under subclass 273) Hinge wherein the means for lessening the surface friction comprises a supply or a passageway for applying a friction reducing fluid to the surfaces.