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:
Aug. 08, 2017
Filed:
Aug. 13, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Suman K. Patel, Woodbury, MN (US);
William D. Coggio, Hudson, WI (US);
Mikhail L. Pekurovsky, Bloomington, MN (US);
Kenneth L. Smith, White Bear Lake, MN (US);
Michael B. Free, St. Paul, MN (US);
William B. Kolb, West Lakeland, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/124 (2006.01); B32B 3/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/124 (2013.01); B32B 3/00 (2013.01);
Abstract
Retroreflective articles and constructions are disclosed. One exemplary retroreflective article or construction includes a retroreflective layer and a low refractive index layer. In one exemplary embodiment, the low refractive index layer is adjacent to at least a portion of a retroreflective structured major surface of the retroreflective layer.