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. 04, 1991
Filed:
Feb. 01, 1990
Applicant:
Inventors:
Jakob Maya, Brookline, MA (US);
Joseph D Michael, University Heights, OH (US);
Radomir Lagushenko, Brookline, MA (US);
Assignee:
GTE Products Corporation, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315358 ; 313619 ; 313638 ; 313643 ;
Abstract
A negative glow discharge lamp including a light transmitting envelope having supported therein electrode means for establishing a negative glow discharge in the lamp. The fill material includes a metal-based gas such as sodium which, upon excitation thereof, directly emits visible light. The sodium has a resonance radiation in the visible part of the spectrum. The cathode is a hot cathode.
Quick Actions:
Maya, Jakob. (1991). Negative glow discharge lamp (U.S. Patent No. 5021718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5021718
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