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:
May. 18, 1999
Filed:
Nov. 17, 1997
Applicant:
Inventors:
Rober J Karlotski, Hillsboro, NH (US);
Timothy L Kelly, Boston, MA (US);
Galina Zilberstein, Chestnut Hill, MA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313633 ; 313623 ; 313624 ; 313626 ;
Abstract
A high intensity discharge lamp with a heat treated inner electrode rod has been found to form an advantageous crack pattern. As a result seal failures have been reduced and lamp life increased.
Karlotski, Rober. (1999). High intensity discharge lamp with treated electrode (U.S. Patent No. 5905340). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5905340
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile