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:
Jan. 09, 2018
Filed:
Oct. 28, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Niklas Lilenthal, Leksand, SE;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 9/02 (2006.01); A61F 9/06 (2006.01);
U.S. Cl.
CPC ...
A61F 9/022 (2013.01); A61F 9/06 (2013.01); A61F 9/065 (2013.01); A61F 2220/0033 (2013.01);
Abstract
Protective headgear and an optical filter cartridge that is removably mountable thereto, and methods of removably inserting such a cartridge and removing such a cartridge.