Writing apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5967688
SERIAL NO

08984644

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A writing apparatus which includes a pen holder holding an ink, a pen socket fastened to an open end of the pen holder and holding a sponge and an absorptive writing tip, an ink feeding valve assembly mounted in the pen holder and adapted to feed the ink to the sponge and the absorptive writing tip, and a steel ball movable in the ink inside the pen holder, the steel ball being movable by the pressure of the ink to close off a tapered rear opening on the ink feeding valve assembly and to stop the ink from passing to the inside of the ink feeding valve assembly when the pen holder is held in a writing position, and the steel ball being movable away from the tapered rear opening on the ink feeding valve assembly for permitting the ink to pass from the pen holder to the inside of the ink feeding valve assembly when the pen holder is placed in a horizontal position.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PRO ETON CORPORATION14 ALLEY 15 LANE 74 YOUN-AN STREET SHIN-TIEN CITY TAIPEI R O C

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, James Shin-Tien, TW 25 458

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