US PATENT SUBCLASS 292 / 169.13
.~.~.~.~.~ Auxiliary bolt

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

2  DF  BOLTS {15}
137  DF  .~ Sliding {9}
163  DF  .~.~ Spring projected {1}
164  DF  .~.~.~ Operating means {12}
169  DF  .~.~.~.~ Cam {5}
169.13.~.~.~.~.~ Auxiliary bolt

DEFINITION

Classification: 292/169.13

(under subclass 169) Device having a second bolt element to complement or supplement the fastening accomplished by the first such element.

(1) Note. The auxiliary bolt frequently is identified as a guard bolt or a dead bolt.