US PATENT SUBCLASS 70 / 150
.~.~.~.~.~.~.~ Dogged bolt or connections

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~.~.~.~.~ Dogged bolt or connections {3}
151 R  DF  .~.~.~.~.~.~.~>.~ Automatic {1}
152  DF  .~.~.~.~.~.~.~>.~ By manipulator
153  DF  .~.~.~.~.~.~.~>.~ Connections only

DEFINITION

Classification: 70/150

(under subclass 145) Subject matter having mechanisms to dog the bolt or its operating connections with the manipulator to prevent retraction of the bolt unless controlled by manual means from the interior side of the door or locking control from the exterior.