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:
Jun. 19, 1979
Filed:
Dec. 12, 1977
Applicant:
Inventors:
John A Scholz, Danvers, MA (US);
Phillip J Gardner, Cupertino, CA (US);
Assignee:
GTE Sylvania Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313218 ; 313229 ; 3133 / ;
Abstract
A high intensity arc discharge lamp comprises an arc tube having tungsten electrodes at each end and containing a fill including mercury, a starting gas and a metal in the form of metal halide. The tungsten electrode also contains a small quantity of said metal in solid solution with the tungsten.
Scholz, John. (1979). Metal halide arc discharge lamp (U.S. Patent No. 4158789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4158789
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile