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. 11, 1991
Filed:
Nov. 19, 1990
Applicant:
Inventors:
Philip J White, Georgetown, MA (US);
Dennis B Shinn, Topsfield, MA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445 21 ; 445 26 ;
Abstract
A process of dosing the arc tube of an unsaturated vapor high pressure sodium lamp wherein a sodium-containing compound, an oxygen-absorbing getter, mercury and a rare gas are deposited within the arc tube, and the arc tube is sealed whereby thermal decomposition of the sodium-containing compound is effected within the arc tube and the getter prevents compound reformation by absorbing the oxygen therein.
White, Philip. (1991). Arc tube dosing process for unsaturated high pressure sodium lamp (U.S. Patent No. 5022882). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5022882
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile