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:
Jun. 12, 2012
Filed:
Aug. 03, 2009
Applicants:
Akira Shinbo, Shiojiri, JP;
Ryoji Katsuma, Matsumoto, JP;
Inventors:
Akira Shinbo, Shiojiri, JP;
Ryoji Katsuma, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A screen includes a plurality of concave recesses arranged on a flat surface, wherein the recesses are arranged in such a way that the spacing between adjacent ones of the recesses in the radial direction from a reference point located in the flat surface or a plane extended from the flat surface increase with distance from the reference point.
Quick Actions:
Shinbo, Akira. (2012). Screen (U.S. Patent No. 8197926). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8197926
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile