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:
Jun. 10, 1980
Filed:
Jun. 22, 1978
Applicant:
Inventors:
Akira Furusawa, Tokyo, JP;
Yutaka Udagawa, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
2001 / ; 200275 ;
Abstract
A pushbutton switch is disclosed which comprises a dome-shaped buckling plate spring between a fixed contact on a printed circuit board and a common conductive sheet. The curvature of the plate spring is reversed so as to obtain an electrical communication.