Fire stop assembly for concrete structures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12090352
APP PUB NO 20230104114A1
SERIAL NO

17907104

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A concrete structure with a corrugated bottom surface has a pipe passing through a passage in the structure. A fire stop assembly has a first portion with a split plate, split cage, split intumescent ring, split inner smoke ring and split outer smoke ring each fastened together to rotate together about a hinge on the split cage. The fire stop assembly has a second portion of the split plate, split cage, split intumescent ring, split inner smoke ring and split outer smoke ring fastened together to rotate together about a hinge. The first and second portions have free ends that spread apart to fit around the tube in an open position, and close around the tube in a closed position.

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Patent Owner(s)

Patent OwnerAddress
RELIANCE WORLDWIDE CORPORATIONATLANTA GA 30318

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chase, Jacob Murfreesboro, US 5 0
Cosley, James Ramona, US 12 10
O'Neil, Virgil San Diego, US 38 200

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Mar 17, 2028
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