Draw-out type solid marker

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8500353
APP PUB NO 20110182650A1
SERIAL NO

13008237

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Abstract

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A draw-out solid marker includes a cylindrical shell, a rotary member thread-fastened to the rear end of the shell; a movable member thread-fastened to the rotary member in the shell to move forward/backward from the shell by rotating the rotary member; a cylindrical solid core connected to the front of the movable member to move forward/backward with the movable member and having an elliptical, rectangular, or triangular cross-sectional shape; and a cap coupled to the front end of the shell in order to apply various patterns in accordance with the position of the front end.

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Patent Owner(s)

Patent OwnerAddress
DONG-A TEACHING MATERIALS CO LTDDAEDEOK-GU DAEJON

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Hak-Jae Daejeon, KR 29 171

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