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:
May. 03, 2022
Filed:
Jun. 05, 2018
Applicant:
Saint-gobain Glass France, Courbevoie, FR;
Inventors:
Cécile Ozanam, Massy, FR;
Patrick Gayout, Villemomble, FR;
Emmanuel Mimoun, Boulogne-Billancourt, FR;
Assignee:
SAINT-GOBAIN GLASS FRANCE, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/62 (2014.01); G03B 21/28 (2006.01); G03B 21/58 (2014.01); G03B 21/625 (2014.01); G03B 21/60 (2014.01); G03B 21/56 (2006.01);
U.S. Cl.
CPC ...
G03B 21/62 (2013.01); G03B 21/28 (2013.01); G03B 21/56 (2013.01); G03B 21/58 (2013.01); G03B 21/60 (2013.01); G03B 21/625 (2013.01);
Abstract
An article used as black or dark-colored front-projection screen includes two distinct diffusely reflecting scattering elements, taking the form of parallel sheets or planes, qualified first and second scattering elements, wherein the first scattering element is translucent or transparent and the second scattering element is of dark color.