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:
Apr. 29, 2025
Filed:
Mar. 12, 2024
Applicant:
The Sailor Pen Co., Ltd., Hiroshima, JP;
Inventor:
Yuichiro Nakadai, Hiroshima, JP;
Assignee:
THE SAILOR PEN CO., LTD., Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K 5/00 (2005.12); B43K 23/008 (2005.12); B43K 23/012 (2005.12);
U.S. Cl.
CPC ...
B43K 5/005 (2012.12); B43K 23/008 (2012.12); B43K 23/012 (2012.12);
Abstract
A writing instrument and a pen tip part include: a pen tip which includes a writing portion and has a directional specification for writing of the writing portion; a cylindrical inner cylinder which fixes the pen tip; a cylindrical outer cylinder into which the inner cylinder can be inserted and which includes a finger guide portion on an outer peripheral surface; and a fixture which fixes the outer cylinder to the inner cylinder.