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:
Aug. 19, 2025
Filed:
Apr. 11, 2023
Applicant:
Casio Computer Co., Ltd., Tokyo, JP;
Inventors:
Yasushi Shiraishi, Ome, JP;
Hirokazu Taniguchi, Tachikawa, JP;
Assignee:
CASIO COMPUTER CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/12 (2006.01);
U.S. Cl.
CPC ...
G10C 3/12 (2013.01);
Abstract
A keyboard instrument includes a key which includes a weight, and a key base including a top plate and at least one rib configured to fix the weight by holding the weight from below in such a state that the weight is kept in abutment with a lower surface of the top plate.