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:
Aug. 21, 2007
Filed:
Jun. 16, 2004
Takayoshi Kurita, Ehime, JP;
Yuji Takeda, Ehime, JP;
Tomomasa Hirao, Ehime, JP;
Harison Toshiba Lighting Corporation, Ehime, JP;
Abstract
A dielectric barrier discharge type low pressure discharge lampincludes dielectric barrier discharge type external electrodeson external ends of a tubular glass lamp vessel, electrically conductive material layerson the external surface of the tubular glass lamp vessel, and heat equalizing members, which are provided on the electrically conductive material layer. With the constitution, the surface temperature of the external electrodescan be equalized with a local temperature rise avoided, thereby a longer life of the lamp can be assured.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile