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. 11, 2009
Filed:
Jun. 02, 2006
Applicants:
Wilfried Hedderich, Hilden, DE;
Christophe Lefaux, Ann Arbor, MI (US);
Keith D. Weiss, Fenton, MI (US);
Inventors:
Wilfried Hedderich, Hilden, DE;
Christophe Lefaux, Ann Arbor, MI (US);
Keith D. Weiss, Fenton, MI (US);
Assignee:
Exatec, LLC, Wixom, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
A window assembly having photochromatic properties is described. The window assembly includes a substrate being adjacent to a coating. A photochromatic film is located between the substrate and the coating, whereby the photochromatic film darkens when the window assembly is exposed to ultraviolet light.