US PATENT SUBCLASS 229 / 927
MEANS FOR TEARING OR BREAKING RIGID OR SEMIRIGID THERMOPLASTIC CONTAINER

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

927MEANS FOR TEARING OR BREAKING RIGID OR SEMIRIGID THERMOPLASTIC CONTAINER

DEFINITION

Classification: 229/927

MEANS FOR TEARING OR BREAKING RIGID OR SEMIRIGID THERMOPLASTIC CONTAINER:

(under the class definition) Subject matter wherein a receptacle made of relatively stiff thermoplastic material includes a modification which facilitates forcibly separating the receptacle material to open it.