US PATENT SUBCLASS 70 / 154
.~.~.~.~.~ Gravity 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}
154.~.~.~.~.~ Gravity projected {1}
155  DF  .~.~.~.~.~.~> Projecting mechanism is lock controlled

DEFINITION

Classification: 70/154

(under subclass 141) Subject matter wherein the bolt is projected by the effect of gravity, and may have alternative manual control.