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. 12, 2014
Filed:
Dec. 16, 2010
Applicants:
Michael A. Meis, Stillwater, MN (US);
David G. Freier, St. Paul, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Ronald S. Steelman, Woodbury, MN (US);
Inventors:
Michael A. Meis, Stillwater, MN (US);
David G. Freier, St. Paul, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Ronald S. Steelman, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01); G09F 13/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light directing substrate includes a back major surface and a front major surface opposing the back surface. The back major surface includes light reflection regions and light transmission regions. The front surface includes a plurality of lenticular lens elements. A graphic image disposed on or in the light directing substrate.