US PATENT SUBCLASS 70 / 153
.~.~.~.~.~.~.~.~ Connections only

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}
144  DF  .~.~.~.~.~ Spring projected {1}
145  DF  .~.~.~.~.~.~ Manually operable {3}
150  DF  .~.~.~.~.~.~.~ Dogged bolt or connections {3}
153.~.~.~.~.~.~.~.~ Connections only

DEFINITION

Classification: 70/153

(under subclass 150) Subject matter wherein the dogging function is effective only upon the operating connections between the manipulator and the bolt.