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. 08, 2020
Filed:
Sep. 14, 2017
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Michael Benton Free, Stillwater, MN (US);
Mieczyslaw H. Mazurek, Roseville, MN (US);
Bimal V. Thakkar, St. Paul, MN (US);
Kenneth L. Smith, White Bear Lake, MN (US);
Suman K. Patel, Woodbury, MN (US);
William D. Coggio, Hudson, WI (US);
Mikhail L. Pekurovsky, Bloomington, MN (US);
Raymond C. Chiu, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/124 (2006.01); B32B 7/12 (2006.01); B32B 27/16 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); B32B 27/40 (2006.01); B32B 3/26 (2006.01); B32B 27/08 (2006.01); B32B 3/30 (2006.01); G02B 5/12 (2006.01);
U.S. Cl.
CPC ...
G02B 5/124 (2013.01); B32B 3/263 (2013.01); B32B 3/30 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/16 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/322 (2013.01); B32B 27/36 (2013.01); B32B 27/40 (2013.01); G02B 5/12 (2013.01); B32B 2250/44 (2013.01); B32B 2255/10 (2013.01); B32B 2255/12 (2013.01); B32B 2255/26 (2013.01); B32B 2270/00 (2013.01); B32B 2307/418 (2013.01); B32B 2307/732 (2013.01); B32B 2307/75 (2013.01); Y10T 156/10 (2015.01);
Abstract
This disclosure generally relates to retroreflective articles and methods of making such articles.