US PATENT SUBCLASS 70 / 161
.~.~.~.~.~ Dead bolt

Current as of: June, 1999
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70 /   HD   LOCKS

57  DF  SPECIAL APPLICATION {7}
77  DF  .~ For closures {5}
158  DF  .~.~ Cover, lid, cap, encasing shield {2}
159  DF  .~.~.~ Pivoted {1}
160  DF  .~.~.~.~ Cover-carried lock {2}
161.~.~.~.~.~ Dead bolt

DEFINITION

Classification: 70/161

(under subclass 160) Devices enbodying deadbolts.