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. 03, 1999
Filed:
Feb. 02, 1998
Riichi Kitajima, Hamamatsu, JP;
Muneo Ishida, Hamamatsu, JP;
Kabushiki Kaisha Kawai Gakki Seisakusho, Shizuoka-ken, JP;
Abstract
A hammer head for a piano which is simple in structure and is capable of maintaining a humidity preventive effect for a longer time. The hammer head comprises a hammer body having a hammer felt including two flat surfaces substantially parallel to each other, and a string striking portion for striking a string, and a humidity preventive film adhered on the two flat surfaces of the hammer felt of the hammer body so as to cover the flat surfaces. A method for manufacturing such hammer heads at a low cost is also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile