Container closure

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5133473
SERIAL NO

07746168

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Plastic container closures which are preferably injection molded through a centrally placed ingot are disclosed. The closures include a cover panel with a circumferential rim and a pouring opening which corresponds to only a portion of the area of the cover panel. The closure also includes an integral grip and a tearing denotation provided by a reduced thickness groove in the cover panel around the periphery of the portion of the cover panel which is to be removed and in which that groove extends from a point in the proximity of the circumferential rim towards a point displaced from the center of the cover panel at a location beyond the center with respect to the first point, and in which the reduced thickness groove is interrupted to provide a hinge for the portion of the cover panel to be removed subsequent to opening.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AB AKERLUND & RAUSINGSWEDEN'S LUND MAILBOX NO 22

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duvander, Patrick Anggatan, SE 3 18
Piltz, Lars-Erik Norrangavagen, SE 10 56

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