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. 02, 2021
Filed:
May. 08, 2017
Applicant:
Emseal Joint Systems, Ltd., Westborough, MA (US);
Inventor:
Bill Witherspoon, Guelph, CA;
Assignee:
EMSEAL JOINT SYSTEMS LTD., Westborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/68 (2006.01); E04B 1/94 (2006.01); E04C 2/20 (2006.01); E04B 1/98 (2006.01); C08K 3/016 (2018.01); C08J 9/36 (2006.01); C08J 9/40 (2006.01); E04B 1/66 (2006.01);
U.S. Cl.
CPC ...
E04B 1/68 (2013.01); C08J 9/365 (2013.01); C08J 9/40 (2013.01); C08K 3/016 (2018.01); E04B 1/66 (2013.01); E04B 1/6806 (2013.01); E04B 1/6812 (2013.01); E04B 1/944 (2013.01); E04B 1/948 (2013.01); E04B 1/98 (2013.01); E04C 2/205 (2013.01); C08J 2201/038 (2013.01); C08J 2205/05 (2013.01); C08J 2375/04 (2013.01); C08J 2400/26 (2013.01);
Abstract
An expansion joint system includes foam; a fire retardant material included in the foam in an amount effective to pass testing mandated by UL 2079; and wherein the expansion joint system is configured to facilitate compression of the system when installed between substrates by repeatedly expanding and contracting to accommodate movement of the substrates; and the foam with the fire retardant material included therein is configured to pass the testing mandated by UL 2079.