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:
Oct. 22, 2019
Filed:
Dec. 12, 2013
3m Innovative Properties Company, St. Paul, MN (US);
David B. Running, Woodbury, MN (US);
Shri Niwas, Maple Grove, MN (US);
Matthew R. Lehmann, Stillwater, MN (US);
Douglas J. Hall, St. Paul, MN (US);
Kenneth L. Hanzalik, Arden Hills, MN (US);
Denise A. Barrera, Oakdale, MN (US);
Alyson C. Phillips, St. Paul, MN (US);
Loretta L. Lucas, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Provided is a retroreflective article comprising a fibrous material and a perforated retroreflective material attached to said fibrous material. Embodiments of the article achieve desirable values under the ASTM F2731-11 Transmitted and Stored Energy Test, the E96/E96M-12 Moisture Vapor Transmission Rate Test, and ASTM E810-03 (2013) Standard Test Method for Coefficient of Retroreflection of Retroreflective Sheeting Utilizing the Coplanar Geometry.