Binder

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United States of America Patent

PATENT NO 8568052
APP PUB NO 20100135713A1
SERIAL NO

11996911

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A binder includes a back part disposed between ring parts, each of the ring parts being openable and closable. to constitute a binder. A penetration hole is formed at a portion of the ring parts intersecting with the back part, thereby allowing the binder to expand and contract to a certain degree in a longitudinal direction thereof.

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Patent Owner(s)

Patent OwnerAddress
MAX CO LTDTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haramiishi, Kiichi Tokyo, JP 35 1963
Shimamura, Masashi Tokyo, JP 17 941

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