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:
Feb. 26, 2019
Filed:
Jul. 14, 2015
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Kannan Seshadri, Woodbury, MN (US);
Neeraj Sharma, Woodbury, MN (US);
Le'Bron K. Patterson, Maplewood, MN (US);
Jeffrey M. Imsande, Menomonie, WI (US);
Nicolas A. Echeverri, Woodbury, MN (US);
Joon Chatterjee, Bloomington, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 9/04 (2006.01); B01D 46/00 (2006.01); A61L 9/12 (2006.01);
U.S. Cl.
CPC ...
A61L 9/12 (2013.01); B01D 46/0038 (2013.01); B01D 46/0041 (2013.01); A61L 9/042 (2013.01); A61L 9/046 (2013.01); A61L 9/048 (2013.01); A61L 2209/131 (2013.01); A61L 2209/14 (2013.01); A61L 2209/16 (2013.01); B01D 2279/50 (2013.01);
Abstract
A fragrance dispenser for emitting fragrance into an airstream impinging on an air filter, the dispenser having a receptacle with an open end that faces toward the air filter and that has a porous diffuser layer occlusively overlying the open end of the receptacle.