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:
May. 11, 1976
Filed:
Apr. 11, 1975
Applicant:
Inventor:
James A Westphal, Altadena, CA (US);
Assignee:
California Institute of Technology, Pasadena, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ; H01G / ;
U.S. Cl.
CPC ...
315 95 ; 240153 ; 315 99 ; 315122 ; 315179 ; 315187 ; 315228 ; 315231 ; 315312 ; 315363 ; 317256 ;
Abstract
A device for replacing a fluorescent lamp in a two lamp serially connected fluorescent fixture either of the type which includes a rapid-start type transformer for every two rapid-start fluorescent lamps or an instant start fixture for every two instant start lamps. By placing the device in the fixture in place of one of the two lamps the remaining lamp is energizable to provide illumination, whereas without the device the remaining lamp is inactive.