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:
May. 20, 2025
Filed:
Jul. 15, 2019
3m Innovative Properties Company, St. Paul, MN (US);
Sara Hemmer Frisco, Blaine, MN (US);
Guy M. Kallman, Woodbury, MN (US);
Kristal L Schutta, Forest Lake, MN (US);
Thomas B. Stirling, White Bear Lake, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A method of thermoforming a rigid film construction. The method comprises: applying a rigid film construction to a mold; and heating the rigid film construction until it conforms to the mold. The rigid film construction includes a rigid polymeric film layer; a light-modifying film layer; and a shielding film layer. The shielding film comprises polymethyl methacrylate (PMMA); and the shielding film layer contacts the surface of the mold.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile