Easily openable cover member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4324341
SERIAL NO

06160590

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Importance

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Abstract

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An easily openable cover member for a container which is formed from thermoplastic synthetic resin of high flexibility and which integrally has unsealing means for opening an openable portion defined by a thinned portion and said unsealing means is integral with and extends upwardly of the openable portion. The cover member has been formed by injection-molding synthetic resin so as to have the openable portion integrally formed with the unsealing means.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
TOKAN KOGYO KABUSHIKI KAISHANot Provided

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamaguchi, Kisaburo Hachioji, JP 3 18
Yoshikawa, Tsukasa Yamato, JP 5 60

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