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:
Apr. 14, 2009
Filed:
Oct. 16, 2003
Applicants:
Maarten Walter Steinmann, Turnhout, BE;
Hubertina Maria Ulenaers, Eindhoven, NL;
Simon Krijnen, Eindhoven, NL;
Simon Flink, Eindhoven, NL;
Inventors:
Maarten Walter Steinmann, Turnhout, BE;
Hubertina Maria Ulenaers, Eindhoven, NL;
Simon Krijnen, Eindhoven, NL;
Simon Flink, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to electric lamps and more particularly to automotive signal lamps. A glass composition is described for use in electric lamps, which glass is red colored. The glass composition comprises copper between 0.1 and 2% by weight, tin between 0.1 and 2% by weight, barium between 7 and 11% by weight, and strontium between 1 and 5% by weight.