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.

Date of Patent:
Feb. 15, 1983

Filed:

Mar. 17, 1980
Applicant:
Inventors:

Albert Bouwknegt, Roosendaal, NL;

Petrus C Lauwerijssen, Roosendaal, NL;

Assignee:

U.S. Philips Corporation, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H01J / ;
U.S. Cl.
CPC ...
313220 ; 313204 ; 313227 ;
Abstract

Low-pressure gas discharge lamp having a discharge vessel which comprises a plurality of parallel tubular portions which are interconnected in series by means of one or more coupling links engaging those portions substantially transversely, the discharge passing through the coupling link(s) and at least the major parts of the tubular portions during operation of the lamp, a coupling link engaging a tubular portion at a distance from one end of a tubular portion so that a cool spot is created in the lamp at that end.


Find Patent Forward Citations

Bouwknegt, Albert. (1983). Low pressure discharge lamp (U.S. Patent No. 4374340). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4374340

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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