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. 28, 2007
Filed:
Apr. 06, 2004
Applicants:
Takeshi Nishimura, Tokyo, JP;
Kengo Nishi, Tokyo, JP;
Masaya Katori, Tokyo, JP;
Inventors:
Assignee:
Polymatech Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key sheet includes a base sheet and a plurality of key tops arranged on the base sheet and exposed from an operation opening formed in a case of a device. The operation opening has no partition bridge. The base sheet includes a plurality of bases for fixing the key tops and a reinforcing member for supporting the bases while allowing displacement upon pushing.