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:
Mar. 03, 2020
Filed:
Nov. 09, 2016
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Takeo Fukumoto, Yokohama, JP;
Tooru Nakajima, Yokohama, JP;
Kazuhiko Furukawa, Yokohama, JP;
Yusuke Kobayashi, Yokohama, JP;
Tomoyuki Akagi, Yokohama, JP;
MITSUBISHI PENCIL COMPANY, LIMITED, Tokyo, JP;
Abstract
A ballpoint pen is provided in which the width of the drawing line can be changed, wherein responsiveness can be improved when distinguishing between drawing thin lines and thick lines. A ballpoint penprovided at the pen tip side with a first writing part having a writing ball, wherein the ballpoint penis characterized by being provided with a writing part at the pen tip side with which it is possible to write a thicker line than the line written with the first writing part, only the first writing part being used when the writing weight is 1 g and the writing angle is 90°, and the second writing part being used when the writing weight is 200 g, and the writing angle is 40-90°.