US PATENT SUBCLASS 70 / *
.~.~.~.~ Dead bolts

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}
*.~.~.~.~ Dead bolts {2}
113  DF  .~.~.~.~.~> Multiple {4}
124  DF  .~.~.~.~.~> Single {5}