US PATENT SUBCLASS 70 / 359-- .~.~.~.~.~ Concentric tumblers

US PATENT SUBCLASS 70 / 359
.~.~.~.~.~ Concentric tumblers

Current as of: June, 1999
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70 /	HD	LOCKS

266	DF	OPERATING MECHANISM {6}
336	DF	.~ Key {10}
344	DF	.~.~ Single key {4}
348	DF	.~.~.~ Tumbler type {5}
357	DF	.~.~.~.~ Cylinder type {9}
359		.~.~.~.~.~ Concentric tumblers

DEFINITION

Classification: 70/359

(under subclass 357) Subject matter wherein the tumblers are concentrically disposed.