US PATENT SUBCLASS 70 / 103
.~.~.~.~.~ Multiple 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}
102  DF  .~.~.~.~ Interfitting lock housing and keeper {4}
103.~.~.~.~.~ Multiple dead bolts

DEFINITION

Classification: 70/103

(under subclass 102) Devices having plural dead-bolts.