US PATENT SUBCLASS 16 / 50
.~ Hinge


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

49  DF  CHECKS AND CLOSERS {6}
50.~ Hinge


DEFINITION

Classification: 16/50

(under subclass 49) Devices combined with hinge structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for liquid type checks combined with hinge structure.

68, for pneumatic type checks combined with hinge structure.

221+, for hinge structure, per se.