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:
Mar. 21, 2017
Filed:
Dec. 10, 2013
3m Innovative Properties Company, St. Paul, MN (US);
David A. Ender, New Richmond, WI (US);
Jeremy K. Larsen, Farmington, MN (US);
Jennifer J. Sahlin, Minneapolis, MN (US);
Michael E. Griffin, Maplewood, MN (US);
Karl A. Vick, Elko, MN (US);
Bing Hao, Woodbury, MN (US);
Scott M. Schnobrich, Stillwater, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A taillight article () including an optically clear light guide () having an light emission front surface () and an opposing rear surface () and a side surface () separating the front surface () and the rear surface () is described. A first light source () is configured to direct light into the side surface () and indicate a first signal-function. A plurality of light extraction features () are on or within the optically clear light guide () and are configured to direct light from the first light source () out through the emission surface (). A light reflection element () is spaced apart from the rear surface () and defines a cavity () that is observable by a viewer.