Fire door

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9909356
SERIAL NO

15601824

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
OKEEFFE WILLIAMNot Provided

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
O'Keeffe, William Brisbane, US 3 17

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