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:
Apr. 02, 1991
Filed:
Dec. 22, 1989
Applicant:
Inventors:
Frank M Latassa, Morgantown, WV (US);
Thomas O Leyh, Bridgeport, WV (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313492 ; 313151 ; 313614 ; 313240 ;
Abstract
A conductive link maintains the electrode of a fluorescent lamp and a conductive electrode guard at the same electrical potential to reduce lamp power dissipation. The conductive link is a bimetal strip arranged for electrically connecting an electrode lead-in with the electrode guard or electrode guard support upon heating by the discharge arc during lamp operation.
Quick Actions:
Latassa, Frank. (1991). Fluorescent lamp with grounded electrode guard (U.S. Patent No. 5004949). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5004949
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile