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:
Nov. 23, 2010
Filed:
Aug. 13, 2004
Atsushi Iwasa, Fujioka, JP;
Yukinori Sawa, Fujioka, JP;
Akira Fukai, Fujioka, JP;
Takahiro Osada, Fujioka, JP;
Atsushi Iwasa, Fujioka, JP;
Yukinori Sawa, Fujioka, JP;
Akira Fukai, Fujioka, JP;
Takahiro Osada, Fujioka, JP;
Mitsubishi Pencil Co., Ltd., Shinagawa-Ku, Tokyo, JP;
Abstract
An applicator which includes a rear barrel; an ink occlusion elementaccommodated in rear barrel; an ink occlusion element receiveropposing the front end part of ink occlusion element; a see-through front barrelfitted to the opening of rear barrel, a detection tubeinserted in front barrelfor flowing ink from ink occlusion element; a joint coresupported by detection tubeand flowing out ink from ink occlusion element; and a pen coresupported by detection tubeand disposed on the opposite side of joint corewith a detection spacefrom joint core. Detection tube, joint coreand pen coreare formed into an integral structure. It is possible to exactly grasp the ink end state in a visual manner, based on the presence/absence of ink in detection spaceof detection tube