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. 11, 2012
Filed:
Apr. 09, 2010
Toshiaki Mikoshiba, Suwa, JP;
Toshiaki Mikoshiba, Suwa, JP;
Seiko Epson Corporation, , JP;
Abstract
A reflective screen which reflects a projection light, includes: a substrate on one surface of which are formed a plurality of concavely or convexly curved surface portions; and a reflective film formed on the curved surface portions of the substrate, wherein the plurality of curved surface portions are configured of a plurality of kinds of curved surface portion differing in curvature, and curved surface portions, among a plurality of curved surface portions aligned in at least a first direction, which are of the same curvature are disposed in series of up to three.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile