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:
Sep. 07, 2021
Filed:
Apr. 29, 2019
Applicant:
Yamaha Corporation, Hamamatsu, JP;
Inventors:
Assignee:
YAMAHA CORPORATION, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10D 13/10 (2020.01); G10D 13/02 (2020.01); G10D 13/00 (2020.01); G10D 13/22 (2020.01);
U.S. Cl.
CPC ...
G10D 13/10 (2020.02); G10D 13/00 (2013.01); G10D 13/02 (2013.01); G10D 13/22 (2020.02);
Abstract
Provided is a percussion instrument including a substantially cylindrical barrel and a weight fixed to the barrel. More specifically, a plurality of weightsA toD may be provided on the inner circumferential surface of a shellof a drum(a percussion instrument). The weightsA toD may be provided at positions where the weightsA toD have four-fold rotational symmetry in the circumferential direction of the shell. The weightsA toD may be each provided between lugsthat are provided adjacent to each other on the outer circumferential surface of the shell