US PATENT SUBCLASS 292 / 243
.~ Seal-rupturing devices


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

2  DF  BOLTS {15}
243.~ Seal-rupturing devices


DEFINITION

Classification: 292/243

(under subclass 2) Devices for fastening closures, with or without catch devices, and having seals adapted to be ruptured upon the operation of the parts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

287, for similar devices in hasps.

331, for similar devices in shackles.