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:
Mar. 24, 2026
Filed:
Nov. 01, 2023
3m Innovative Properties Company, St. Paul, MN (US);
Glen O. Gregerson, Hudson, WI (US);
Riley J. Hillstrom, North Hudson, WI (US);
Laszlo Titkos, Shoreview, MN (US);
Bo Yang, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A kit that includes a base with a floor and four edges; a cover with a ceiling and four edges; and, four side panels, at least one of which is a framed air filter. The kit may be nestable. The kit is assemblable into an upwardly-open, horizontally-closed air-filtration assembly. The floor of the base may include multiple through-cuts and hinged connections that define multiple areas of the floor that are rotatable upward to provide multiple upwardly-protruding tabs; the ceiling of the cover may include multiple through-cuts and hinged connections that define multiple areas of the ceiling that are rotatable downward to provide multiple downwardly-protruding tabs.