US PATENT SUBCLASS 70 / 463
.~ Silencers or mufflers

Current as of: June, 1999
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70 /   HD   LOCKS

431  DF  PARTS, ATTACHMENTS, ACCESSORIES AND ADJUNCTS {9}
463.~ Silencers or mufflers

DEFINITION

Classification: 70/463

(under subclass 431) Devices which silence or muffle any unusual or excessive noise made by the interengagement of the lock operating mechanism parts or to adequately muffle the movements of the parts.

SEE OR SEARCH CLASS

292, Closure Fasteners,

341.12+, for keepers with anit-rattle or silencing means.