Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Ek0
Date of Patent
May 16, 2023
0Patent Application Number
176498690
Date Filed
February 3, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
A firewall includes wallboard arranged in three or more layers. The wallboard may include gypsum, fiber glass, and/or vermiculite. The firewall may be reinforced with fasteners, such as laminating screws, affixing the layers of wallboard to one another. The firewall may be incorporated into an area separation wall such that the area separation wall satisfies the standards of ASTM E119 or UL 263.
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