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:
Jul. 28, 2015
Filed:
Dec. 20, 2013
Applicant:
Chen-wei Hsu, Tainan, TW;
Inventor:
Chien Hung Yeh, Tainan, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/04 (2006.01);
U.S. Cl.
CPC ...
F21V 5/04 (2013.01);
Abstract
A lens for an illumination device includes a lens having a first surface and a second surface which is connected to the second surface along an annular curved line which is composed of two symmetric curved lines. The two curved lines are connected to each other at a first end point and a second end point. Each of the two curved lines has a middle point. The first surface is a multiple-focus surface and located on the outer side of the lens. The patterns and paths of the light beams can be controlled by the first surface of the lens.
Quick Actions:
Yeh, Chien. (2015). Lens for illumination device (U.S. Patent No. 9091412). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9091412
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile