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US Patent 7191845 Self-closing vent

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Patent Citations Received
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US Patent 12104384 Ember and flame resistant resettable automatic soffit vent
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US Patent 11885133 Soffit vent
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US Patent 11866943 Ember and flame resistant resettable automatic soffit vent
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US Patent 11802404 Fire-rated wall and ceiling system
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US Patent 11773587 Two-piece track system
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Patent Inventor Names
Ronald J Loar0
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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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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=071918450
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US Patent 07191845 Self-closing vent US Patent 7191845 Self-closing vent

Infobox
Patent Number
071918450
Patent Number
71918450
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
071918450
Date of Patent
March 20, 2007
0
Patent Application Number
102699740
Date Filed
October 15, 2002
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=071918450
Patent Primary Examiner
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Kevin Shaver
0
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07191845
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 US Patent 07191845 Self-closing vent

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07191845
Date of patent
March 20, 2007
Patent application number
10269974
Date Filed
October 15, 2002
Patent primary examiner
‌
Kevin Shaver

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