Writing implement

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11427027
APP PUB NO 20210237502A1
SERIAL NO

17059365

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A writing implement having a pen tip that can achieve excellent ink outflow performance and an increase in the effective area of a viewer portion allowing recognition of the writing direction, relative to the whole pen tip. The writing implement is a writing implement A which includes a pen tip 20 feeding ink from a writing implement body 10 and having a viewer portion through which the writing direction can be recognized, and is characterized in that the pen tip 20 is configured of, a least, a writing part 30 and a holding body 40 having a viewer portion 43, and the holding portion 40 has a sheet-shaped ink feeder 25 formed with slits or bumps on the surface and inside thereof to produce a capillary action.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI PENCIL COMPANY LIMITEDTOKYO 140-8537

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamitani, Toshimi Shinagawa-ku, JP 28 93
Moriya, Naohiko Shinagawa-ku, JP 8 21
Ogiwara, Yasuaki Shinagawa-ku, JP 6 69

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Maintenance Fees

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