The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7530753 B1

PDF
Full Text
Expired
Date of Patent:
May. 12, 2009

Filed:

May. 14, 2004
Applicants:

Yoshihiro Kobayashi, Isesaki, JP;

Youichi Iwabuchi, Isesaki, JP;

Inventors:

Yoshihiro Kobayashi, Isesaki, JP;

Youichi Iwabuchi, Isesaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A writing implement including a plurality of component parts A, B, C, etc. is satisfactory in balance and stability during writing operations and can be smoothly handled for minute, reciprocating, turning motions during writing operations. The writing implement including the component parts A, B, C etc. has its center of gravity in a part thereof between a position at 20 mm from the tip of a projected writing element and a position corresponding to the middle of the overall length thereof, and the weight of the part thereof between the position at 20 mm from the tip of the projected writing element and the position corresponding to the middle of the overall length is not less than 50% of the total weight of the writing implement.


Find Patent Forward Citations

Kobayashi, Yoshihiro. (2009). Writing implement (U.S. Patent No. 7530753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7530753

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