US PATENT SUBCLASS 277 / 917
SEAL INCLUDING FRANGIBLE FEATURE


Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

917SEAL INCLUDING FRANGIBLE FEATURE


DEFINITION

Classification: 277/917

SEAL INCLUDING FRANGIBLE FEATURE:

(under the class definition) Sealing means including means allowing breaking or tearing of the seal.

SEE OR SEARCH CLASS

413, Sheet Metal Container Making, for a process or apparatus for performing an attendant operation before final assembly of a lid to a receptacle;

12+, for a process of fabricating a frangible end closure or assembling a frangible part to an end closure or subclasses 67+ for apparatus to form lid having means to form frangible zone in lid.