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:
May. 26, 2020
Filed:
Mar. 30, 2016
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
John C. Hulteen, Afton, MN (US);
George W. Frost, Afton, MN (US);
Richard J. Haffner, New Richmond, WI (US);
Ernst L. Schmidt, Hager City, WI (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/94 (2006.01); F16L 5/02 (2006.01); A62C 2/06 (2006.01); E04B 1/68 (2006.01); F16L 5/04 (2006.01);
U.S. Cl.
CPC ...
E04B 1/947 (2013.01); A62C 2/065 (2013.01); E04B 1/6801 (2013.01); E04B 1/6803 (2013.01); E04B 1/948 (2013.01); F16L 5/025 (2013.01); F16L 5/04 (2013.01);
Abstract
Described herein is a firestop for construction assemblies comprising a penetration wherein a packing material and a non-porous adhesive article are used to fill and seal the opening.