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:
Apr. 10, 2018
Filed:
Oct. 30, 2017
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventor:
Christophe Martinez, Grenoble, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G03B 21/62 (2014.01); G02B 5/124 (2006.01); B29C 33/42 (2006.01); B29D 11/00 (2006.01); G03B 21/60 (2014.01); B29C 33/38 (2006.01); B29K 33/00 (2006.01); B29L 11/00 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); B29C 33/3842 (2013.01); B29C 33/42 (2013.01); B29D 11/00625 (2013.01); G02B 5/124 (2013.01); G02B 27/0172 (2013.01); G03B 21/60 (2013.01); G03B 21/62 (2013.01); B29K 2033/08 (2013.01); B29L 2011/0091 (2013.01); B29L 2031/3052 (2013.01); G02B 2027/013 (2013.01); G02B 2027/0196 (2013.01);
Abstract
A retroreflective screen including a first film having a surface including a plurality of microrecesses, each microrecess having a bottom substantially parallel to the mean plane of the screen and first and second lateral walls substantially orthogonal to each other and substantially orthogonal to the bottom, the first and second lateral walls and the bottom of the microrecess joining at a same point and forming a trihedron.