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:
Apr. 05, 1977
Filed:
Nov. 28, 1975
Applicant:
Inventors:
Robert L Cassidy, Peabody, MA (US);
Robert J Cosco, Amesbury, MA (US);
John A Pappas, Winthrop, MA (US);
Assignee:
GTE Sylvania Incorporated, Salem, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313185 ; 313223 ;
Abstract
A UV source comprising an arc lamp containing deuterium gas at an initial fill pressure in excess of that at which peak UV light intensity occurs, thereby extending the useful life of the lamp.