US Patent 11186986 Sleeve assembly for a poured concrete deck
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Edits on 12 Dec, 2023
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Patent abstract
A sleeve assembly for poured concrete decks has a tubular sleeve connected to a base flange by stiffeners or an optional base wall. An intumescent ring and fire ring plate are fastened to the base flange. The stiffeners and optional base wall are configured so concrete passes between the stiffeners to entrain a fire ring plate and ring of intumescent material in the concrete by passing through a gap between the base wall and the sleeve or through open windows in the base wall to entrain the base wall when it is present.
Edits on 26 May, 2023
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Edits on 24 Apr, 2023
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Patent Jurisdiction
Patent Number
111869860
Date of Patent
November 30, 2021
0Patent Application Number
165846210
Date Filed
September 26, 2019
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
111869860
Date of Patent
November 30, 2021
0Patent Application Number
165846210
Date Filed
September 26, 2019
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
Golden AI
Edits made to:
Infobox (+1 properties)
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Edits on 2 Dec, 2021
Golden AI
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US Patent 11186986 Sleeve assembly for a poured concrete deck
Infobox
Is a
Patent jurisdiction
Patent number
11186986
Date of patent
November 30, 2021
Patent application number
16584621
Date Filed
September 26, 2019
Patent primary examiner
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