US PATENT SUBCLASS 16 / 64
.~ Spring and gear

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

49  DF  CHECKS AND CLOSERS {6}
64.~ Spring and gear

DEFINITION

Classification: 16/64

(under subclass 49) Devices in which the closing devices include springs and gear elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69, for pneumatic checks including spring and gear elements.

79, for spring and gear type door closers.