US PATENT SUBCLASS 70 / 144-- .~.~.~.~.~ Spring projected

US PATENT SUBCLASS 70 / 144
.~.~.~.~.~ Spring projected

Current as of: June, 1999
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70 /	HD	LOCKS

57	DF	SPECIAL APPLICATION {7}
77	DF	.~ For closures {5}
91	DF	.~.~ Door {5}
101	DF	.~.~.~ Swinging door {4}
141	DF	.~.~.~.~ Locking latch bolts, biased {5}
144		.~.~.~.~.~ Spring projected {1}
145	DF	.~.~.~.~.~.~> Manually operable {3}

DEFINITION

Classification: 70/144

(under subclass 141) Devices normally biased to latching condition by means of a spring.