US PATENT SUBCLASS 292 / 15
.~.~.~ Roller

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

2  DF  BOLTS {15}
3  DF  .~ Multiple {16}
14  DF  .~.~ Double acting {4}
15.~.~.~ Roller

DEFINITION

Classification: 292/15

(under subclass 14) Devices of the roller-type designed to

resiliently engage the keeper.