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.

Date of Patent:
Mar. 06, 2012

Filed:

Mar. 09, 2007
Applicants:

Tetsuhiro Kurita, Nagoya, JP;

Takao Inaba, Nagoya, JP;

Inventors:

Tetsuhiro Kurita, Nagoya, JP;

Takao Inaba, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A direct-fluid-supply writing implement has a pentip, an ink occlusion body connected to a rear end of the pentip, an ink tank that directly stores ink and is arranged at a rear of the ink occlusion body, a plurality of communication tubes that connects the ink tank to the ink occlusion body and a partition wall provided between the ink occlusion body and the ink tank. Forward end portions of the communication tubes are protruded forward from a front face of the partition wall, and are located inside the ink occlusion body. At least one of the communication tubes is provided such that a rear end of the communication tube is protruded backward from a rear face of the partition wall and is located inside the ink tank.


Find Patent Forward Citations

Kurita, Tetsuhiro. (2012). Direct-fluid-supply writing implement (U.S. Patent No. 8128304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8128304

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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