US PATENT SUBCLASS 70 / 106
.~.~.~.~.~ Locking latch bolt, biased

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}
102  DF  .~.~.~.~ Interfitting lock housing and keeper {4}
106.~.~.~.~.~ Locking latch bolt, biased

DEFINITION

Classification: 70/106

(under subclass 102) Devices having a locking latch or latching-bolt.