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:
Apr. 01, 2025
Filed:
Mar. 23, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Fiona E. Menken, Woodbury, MN (US);
Kimberly W. Gerwig, Woodbury, MN (US);
Glen O. Gregerson, Hudson, WI (US);
David W. Ziemann, Coon Rapids, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2022.01); B01D 46/10 (2006.01);
U.S. Cl.
CPC ...
B01D 46/0016 (2013.01); B01D 46/10 (2013.01);
Abstract
A framed air filter that includes air filter media and a frame with four frame portions. At least one corner of the frame is a bonded, non-integral corner at which a stabilizing flap that integrally extends from a first frame portion of a pair of neighboring frame portions that meet to form the non-integral, bonded corner, is affixed to an inner sidewall of a second frame portion of the pair of neighboring frame portions.