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:
Nov. 09, 2004
Filed:
Aug. 27, 2002
Applicant:
Inventors:
Yoshiharu Miwa, Oumihachiman, JP;
Toshimasa Kanai, Kanzaki-gun, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/10 ;
U.S. Cl.
CPC ...
G02B 5/10 ;
Abstract
In a reflector ( ) including a mirror base member ( ) having a concave surface, a reflecting film ( ) is formed on the concave surface. For preventing the fragments of the broken lamp from flying forward, a protective glass plate ( ) is attached to the mirror base member. At least one of the mirror base member and the protective glass plate is made of a glass member whose mechanical strength is enhanced. The mechanical strength of the glass member may be enhanced by ion exchange.