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:
Nov. 01, 1977
Filed:
Mar. 22, 1976
Applicant:
Inventors:
W Calvin Gungle, Danvers, MA (US);
Federic Koury, Alexandria, NH (US);
William M Keeffe, Rockport, MA (US);
Assignee:
GTE Sylvania Incorporated, Danvers, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313217 ; 313220 ; 313229 ;
Abstract
In a metal halide arc discharge lamp having an arched arc tube with an electrode at each end thereof, each electrode is located about midway between the arc tube lower wall and the axis of the arc tube.