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. 20, 2005
Filed:
May. 08, 2002
Peter Arend Seinen, Turnhout, BE;
Josephus Theodorus Van Der Eyden, Eindhoven, NL;
Peter Arend Seinen, Turnhout, BE;
Josephus Theodorus Van Der Eyden, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
Low-pressure mercury vapor discharge lamp comprising a discharge vessel () having a first and a second end portion (), the discharge vessel () containing mercury and a rare gas, wherein the end portions () each support an electrode () arranged in the discharge vessel () for initiating and maintaining a discharge in the discharge vessel (), wherein an electrode shield () substantially encompasses at least one of the electrodes (), and wherein said electrode shield () comprises an inner wall () and an outer wall (), said walls () being spaced apart.