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:
Jan. 16, 1996
Filed:
Jun. 20, 1994
Applicant:
Inventors:
Kiyoshi Kawamura, Hamamatsu, JP;
Motoya Kondo, Hamamatsu, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C / ; G10C / ; G10D / ; G10H / ;
U.S. Cl.
CPC ...
84719 ; 84720 ; 84171 ; 8442 / ; 84DI / ;
Abstract
In order to allow a player to perform a music without an acoustic sound, a stopper blocks hammer shanks before impacts of hammer heads to strings, and recesses substantially conformal to the hammer shanks are formed in cushion members of the stopper for improving durability of the cushion members.
Kawamura, Kiyoshi. (1996). Keyboard instrument equipped with durable hammer stopper for selectively (U.S. Patent No. 5483861). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5483861
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile