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US Patent 10808447 Emergency door closing device

Patent 10808447 was granted and assigned to Masonite International on October, 2020 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Masonite International

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

10808447

Date of Patent

October 20, 2020

Patent Application Number

15867628

Date Filed

January 10, 2018

Patent Citations

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US Patent 10053898 Door sensor

Patent Citations Received

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US Patent 12129705 Emergency door closing device

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US Patent 11713610 Emergency door closing device

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US Patent 11428039 Emergency door closing device

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US Patent 11879287 Door closing device

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US Patent 11072964 Compact hinge actuating device

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US Patent 11608670 Door closing device

Patent Primary Examiner

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Jerry E Redman

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