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. 21, 1985
Filed:
Feb. 09, 1983
Applicant:
Inventor:
Charles L Dunsworth, Midwest City, OK (US);
Assignee:
Metalines, Inc., Oklahoma City, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C / ;
U.S. Cl.
CPC ...
52232 ; 52573 ;
Abstract
Fire-resistant expansion joint apparatus of a type having opposed base connectors secured to movable structures defining an expansion void therebetween, and a fire barrier assembly slidingly maintained between said base connectors with a saturated adsorbent contained within the barrier assembly that releases coolant liquid by a wicking process into cooling chambers formed within said base connectors during application of high heat condition.
Dunsworth, Charles. (1985). Fire resistant expansion joint cover (U.S. Patent No. 4517779). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4517779
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile