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:
Dec. 15, 2020
Filed:
Aug. 27, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Kristina M. Magnusson, Djurmo, SE;
Louise L. M. Madsen, Borlänge, SE;
Larissa Zuravskaja, Borlänge, SE;
Kenneth Jarefors, Falun, SE;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G02C 7/10 (2006.01); G02F 1/1335 (2006.01); G02F 1/1337 (2006.01); G02F 1/1339 (2006.01); G02F 1/1341 (2006.01); G02F 1/1343 (2006.01); G02F 1/137 (2006.01); A61F 9/06 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133305 (2013.01); A61F 9/062 (2013.01); G02C 7/101 (2013.01); G02F 1/137 (2013.01); G02F 1/1337 (2013.01); G02F 1/1341 (2013.01); G02F 1/13392 (2013.01); G02F 1/13439 (2013.01); G02F 1/133528 (2013.01); G02F 2001/133354 (2013.01); G02F 2001/133531 (2013.01); G02F 2201/56 (2013.01); G02F 2202/28 (2013.01);
Abstract
Curved, arcuately-bonded liquid-crystal cells that include substrates held together by an edge adhesive cured after the substrates were bent into a congruently curved configuration; methods of making such cells; and, switchable shutters and automatic darkening filters that include such cells.