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.:
Date of Patent:
May. 29, 2007
Filed:
Jun. 26, 2002
Applicants:
Kazuhiko Furukawa, Kanagawa, JP;
Yojiro Sano, Setagaya-ku, JP;
Inventors:
Kazuhiko Furukawa, Kanagawa, JP;
Yojiro Sano, Setagaya-ku, JP;
Assignee:
Mitsubishi Pencil Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/02 (2006.01); B43K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a writing instrument comprising an ink tank, an ink holder which can hold an ink, a pen tip, an ink guiding part for guiding the ink in the ink tank to the pen tip and an ink occlusion body which can feed the ink to the ink guiding part and which has an outer skin, wherein through parts are provide in the outer skin of the ink occlusion body.
Furukawa, Kazuhiko. (2007). Production processes for writing instrument and ink occlusion body (U.S. Patent No. 7223037). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7223037
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile