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. 07, 2014
Filed:
May. 24, 2011
Ningyong Huang, Shanghai, CN;
Shane M. Klundt, Hudson, WI (US);
Huijin LI, Shanghai, CN;
Loretta L. Lucas, Woodbury, MN (US);
Bradley R. Ray, Woodbury, MN (US);
Rong Wu, Shanghai, CN;
Ningyong Huang, Shanghai, CN;
Shane M. Klundt, Hudson, WI (US);
Huijin Li, Shanghai, CN;
Loretta L. Lucas, Woodbury, MN (US);
Bradley R. Ray, Woodbury, MN (US);
Rong Wu, Shanghai, CN;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An exposed lens retroreflective article that includes a binder layer; a layer of spaced apart optical elements that are partially embedded in the binder layer; a penetrated colored layer that is located between the spaced apart optical elements; and a reflective layer that is located functionally behind the layer of optical elements and the penetrated colored layer.