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:
Sep. 29, 2009
Filed:
Nov. 05, 2004
Applicants:
Masaaki Muto, Tokyo, JP;
Masatoshi Hirohashi, Tokyo, JP;
Toshiyuki Nagahara, Tokyo, JP;
Inventors:
Assignee:
Stanley Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 61/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A discharge lamp can be configured to include a glass tube bulb; a pair of discharge electrodes arranged within the glass tube bulb; and metal foils enclosed within sealing portions at both axial ends of the glass tube bulb so as to connect the discharge electrodes and externally extending lead wires. The metal foils can be provided with cuts and/or holes of various shapes and sizes acting as a stress alleviating portion for alleviating stress due to temperature variations.