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:
Jul. 27, 1982
Filed:
Feb. 14, 1980
Applicant:
Inventors:
Leo Gross, Bayside, NY (US);
S Merrill Skeist, Brookville, Glen Head, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ; H01K / ;
U.S. Cl.
CPC ...
315 57 ; 313161 ; 315 62 ; 315 70 ;
Abstract
An arc discharge device such as a fluorescent lamp comprising an outer envelope having an inner phosphor coating. A rotating field magnetic arc spreading device is disposed in close proximity to the envelope at each end of the lamp envelope. The envelope has a circular cross section.
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Gross, Leo. (1982). Fluorescent lamp with rotating magnetic field arc spreading device (U.S. Patent No. 4341979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4341979
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