Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 6, 2018
Patent Application Number
15601824
Date Filed
May 22, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fire door utilizing a pair of frame members each having cases forming opposing open chambers. The open chambers are filled with fire resistant material and include structural plates that do not contact the cases. Holders attach to the cases support a fire resistant glazing unit.
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