Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ronald J Loar1
Date of Patent
March 20, 2007
1Patent Application Number
102699741
Date Filed
October 15, 2002
1Patent Citations Received
Patent Primary Examiner
Patent abstract
A self-closing vent has its frame and honeycomb screen coated with an intumescent material. When affixed to an external wall or eave of a building, the vent is normally open, allowing free flow of air into and out of the building, but when exposed to the heat of a fire, such as a wildfire, the intumescent expands to close the vent, thereby preventing an external fire from entering the building.
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