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. 04, 2007
Filed:
Nov. 20, 2006
Applicant:
Takashi Shimura, Fujiyoshida, JP;
Inventor:
Takashi Shimura, Fujiyoshida, JP;
Assignee:
Citizen Electronics Co., Ltd., Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens comprising a transparent member having at least two surfaces, and a Fresnel lens surface provided on each of the two surfaces of the transparent member, the transparent member including a generally plate-like shape having a first surface and a second surface opposing the first surface, the Fresnel lens surface being provided on each of the first and second surfaces of the transparent member.