Knock-type propelling pencil with storage cartridge

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United States of America Patent

PATENT NO 4583874
SERIAL NO

06455550

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Abstract

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A knock-type propelling pencil, of which a lead casing is made in the form of a cartridge so that supply of new spare leads can be completed by only inserting the cartridge accommodating the given leads into lead cylinder in outer cylinder and thereby making the operation of supply of the new spare leads easier.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KOTOBUKIKYOTO-SHI KYOTO 603

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kageyama, Toshihiko Kawagoe, JP 10 112

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