Ring binder mechanism having unitary structure

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8899864
SERIAL NO

13218086

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Importance

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Abstract

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A ring binder has an elongate body and rings. Each ring includes ring members moveable between open and closed positions. The ring members and body can suitably formed together as one piece from a moldable polymeric material. The binder suitably includes a retaining system operable to selectively and releasably hold the ring members in the closed position. When the ring members are in their open position, loose-leaf pages can be added or removed from the rings. Loose-leaf pages can also be moved from one ring member to another when the ring members are in their open position.

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Patent Owner(s)

Patent OwnerAddress
WORLD WIDE STATIONERY MFG CO LTD19/F KOON WAH MIRRORS FACTORY 3RD INDUSTRIAL BUILDING 5-9 KA HING RD KWAI CHUNG NEW TERRITORY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
To, Chun Yuen Hong Kong, CN 111 1169

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