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. 12, 1980
Filed:
Feb. 16, 1978
Applicant:
Inventor:
Herbert S Strauss, Paramus, NJ (US);
Assignee:
Duro-Test Corporation, North Bergen, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ; H01K / ;
U.S. Cl.
CPC ...
315 73 ; 315 74 ; 315 47 ; 315119 ; 313 17 ;
Abstract
A mechanical safety switch for high intensity discharge lamps designed to open and remove the current from the arc tube to extinguish the discharge when the lamp envelope is broken in which a leaf spring switch arrangement is used comprising two leaf spring members which are in contact along a substantial portion of their lengths to thereby reduce the current carrying requirement per unit area of the leaf springs.