US PATENT SUBCLASS 70 / 151 R
.~.~.~.~.~.~.~.~ Automatic

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}
151 R.~.~.~.~.~.~.~.~ Automatic {1}
151 A  DF  .~.~.~.~.~.~.~>.~.~ Snub bolt

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 70/151

(under subclass 150) Subject matter wherein the dogging function is obtained automatically by the tripping engagement of some control in the closing movement of the door.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for similar structure associated with a dogged external manipulator.