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.:

US 8696174 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 15, 2014

Filed:

Feb. 12, 2009
Applicant:

Matvey B. Shpizel, Brooklyn, NY (US);

Inventor:

Matvey B. Shpizel, Brooklyn, NY (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An improved flashlight is disclosed which includes an a power supply a light source and a lens projection system, wherein the lens projection system including a collecting lens, a negative lens, and a collimating lens such that the illuminance of an area illuminated by a beam projected by the improved flash light is homogeneous throughout the whole of the illuminated area.


Find Patent Forward Citations

Shpizel, Matvey. (2014). Flashlight with improved optical density (U.S. Patent No. 8696174). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8696174

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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