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:
Dec. 31, 2002
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Stefaan Lambrechts, Beverly Farms, MA (US);
Jakob Maya, Brookline, MA (US);
Assignee:
Matushita Research and Development Laboraties Inc, Woburn, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/720 ;
U.S. Cl.
CPC ...
H01J 1/720 ;
Abstract
A thallium-free high pressure ceramic metal halide lamp having superior dimming characteristics with a fill composition comprising MgI and CeI . In addition, the fill chemistry comprises NaI and the halides of rare earth metals such as Dy, Ho and Tm.
Lambrechts, Stefaan. (2002). Thallium free—metal halide lamp with magnesium and cerium halide filling for improved dimming properties (U.S. Patent No. 6501220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6501220
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile