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:
Feb. 18, 2025
Filed:
Apr. 24, 2020
3m Innovative Properties Company, St. Paul, MN (US);
Kevin W. Gotrik, Hudson, WI (US);
Kui Chen-Ho, Woodbury, MN (US);
Graham M. Clarke, Woodbury, MN (US);
Scott J. Jones, Woodbury, MN (US);
Michael A. McCoy, St. Paul, MN (US);
Shri Niwas, Maple Grove, MN (US);
David J. Rowe, Roseville, MN (US);
Tien Yi T. H. Whiting, St. Paul, MN (US);
Ying Xia, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A retroreflective article comprises a binder layer and a plurality of retroreflective elements, each retroreflective element comprising a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements comprise a first locally laminated layer and a second locally laminated layer that may be reflective layers. A transfer article comprises a disposable carrier layer in which the retroreflective article is detachably disposed with at least some of the transparent microspheres in contact with the disposable carrier layer.