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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.:

US 4665341 B1

PDFFull Text
Date of Patent:
May. 12, 1987

Filed:

Jul. 18, 1985

Colored fluorescent lamp assembly

Applicant:
Inventors:

Hiroshi Imamura, Hirakata, JP;

Katsumasa Nakai, Kadoma, JP;

Masahiro Higashigawa, Kadoma, JP;

Makoto Toho, Yahata, JP;

Assignee:

Matsushita Electric Works, Ltd., Osaka, JP;

Attorney:

Burns, Doane, Swecker & Mathis

Primary Examiner:

Palmer C DeMeo

Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313493 ; 313610 ;
Abstract

A colored fluorescent lamp assembly wherein a plurality of lamp tubes each coated on the inner surface with each of different coloring fluorescent substances and gas-tightly closed at one end having an electrode communicate their interior at the other open end with the interior of a gas-tight cell having a common electrode, and a single lighting control means controllably causes discharge lightings between the common electrode and the respective electrodes in the lamp tubes, for variably colored light emissions with a compact outline.

Find Patent Forward Citations

Imamura, Hiroshi. (1987). Colored fluorescent lamp assembly (U.S. Patent No. 4665341). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4665341

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

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