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. 24, 1996
Filed:
Jul. 22, 1994
Applicant:
Inventors:
Yoshimasa Yoshikawa, Hamamatsu, JP;
Keisuke Watanabe, Hamamatsu, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C / ;
U.S. Cl.
CPC ...
84433 ; 84437 ; 8445 / ;
Abstract
A key for keyboard instruments includes a molded key body and a perspiration-absorbing sheet. The molded key body is pivotally secured to a supporting member of the instrument and formed of a synthetic resin. The perspiration-absorbing sheet is provided over the surface of the key body so that the perspiration-absorbing sheet serves as a top, playing surface of the key.