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:
Feb. 18, 2025
Filed:
Feb. 09, 2022
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Hirotake Izawa, Tokyo, JP;
Toshimi Kamitani, Tokyo, JP;
Chihiro Mochizuki, Tokyo, JP;
Kaito Tsukada, Tokyo, JP;
MITSUBISHI PENCIL COMPANY, LIMITED, Tokyo, JP;
Abstract
Provided is a writing implement that maximizes the effective area of a viewer portion allowing visual recognition in the writing direction and that facilitates writing at a high level, at the same time. This writing implement is a writing implement A, including for example, a pen tipthat feeds ink from a writing implement bodyand has a viewer portionallowing visual recognition in the writing direction. The pen tipis comprised of, at least, a writing partand a retainerhaving the viewer portion, an ink feeder portionfor feeding the ink from the writing implement bodyto the writing part. The minimum width X of the viewer portionis 3.7 mm or greater and a length Y of the viewer portionis 7.4 mm or greater. The ink feeder portionis arranged on one side of the viewer portion. Specifically, the ink feeder portionis preferably adapted to be positioned on a near side during writing (on such a side that the pen tipis located on an obtuse angle side of the ink feeder portion).