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:
Oct. 11, 1977
Filed:
Dec. 09, 1974
Applicant:
Inventors:
John A Scholz, Danvers, MA (US);
Phillip J Gardner, Danvers, MA (US);
H Graham Silver, Kings Point, NY (US);
Assignee:
GTE Sylvania Incorporated, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313229 ; 313225 ;
Abstract
A metal halide arc discharge lamp has a fill including lithium iodide, mercury and scandium. In order to maintain a high efficiency in the red emission of the lamp, the ratio of lithium iodide to scandium must be between about 1.67 and 83.3.
Scholz, John. (1977). Arc discharge lamp comprising mercury, scandium and lithium iodide, (U.S. Patent No. 4053805). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4053805
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile