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:
Jul. 07, 1981
Filed:
Jan. 07, 1980
Applicant:
Inventors:
Shiro Kondo, Furukawa, JP;
Michitada Akazawa, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200314 ; 200311 ;
Abstract
A push-button electrical switch is described having an illuminated window showing the status of the switch. The window includes the words 'ON' and 'OFF' in differing but complementary colors and two filter members also of differing but the same complementary colors are rotated selectively into the light path to the window in order to illuminate either the word 'ON' or 'OFF'.