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:
May. 17, 2022
Filed:
Oct. 29, 2019
Applicant:
Zero Lab Co., Ltd., Tokyo, JP;
Inventor:
Ritsuo Koga, Tokyo, JP;
Assignee:
ZERO LAB CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1673 (2019.01); G02F 1/16757 (2019.01); H01F 7/02 (2006.01); B43L 1/00 (2006.01); B43L 21/00 (2006.01);
U.S. Cl.
CPC ...
H01F 7/02 (2013.01); B43L 1/008 (2013.01); B43L 21/00 (2013.01); G02F 1/1673 (2019.01); G02F 1/16757 (2019.01);
Abstract
A magnetic eraser can be used for erasing markings drawn on a magnetic sheet. The magnetic eraser includes a housing with a magnet placed in the housing. The magnetic eraser also includes a first magnetic body placed between a first surface of the housing and the magnet. The first surface of the housing can provide a first erasing surface.