US PATENT SUBCLASS 16 / 222
.~ Including frangible or fusible portion

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

221  DF  HINGE {32}
222.~ Including frangible or fusible portion

DEFINITION

Classification: 16/222

Including frangible or fusible portion:

(under subclass 221) Hinge comprising an element which is designed to either fracture at a predetermined force or to melt at a predetermined temperature.