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US Patent 11939737 Composite manhole cover with embedded detection

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

William C. Nunnery0

Date of Patent

March 26, 2024

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Patent Application Number

180807350

Date Filed

December 13, 2022

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Patent Citations

US Patent 9151431 Manhole liner having a wireless data transmitter

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US Patent 10047493 Hybrid utility cover

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US Patent 7616119 Method of locating pipelines using RFID technology

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US Patent 7704010 Security device for manhole access opening

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US Patent 7777628 Radio frequency identification system and method for use in cast concrete components

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US Patent 7848909 Computing prediction results during an unbroken online interactive session

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US Patent 8258977 Manhole cover with signal transmitter

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US Patent 8368518 Access-integrated RFID-based asset management system

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Patent Primary Examiner

Abigail A Risic

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CPC Code

0

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Patent abstract

A composite manhole cover includes a body made of a polymer adapted to accommodate an embedded magnetic material embedded as well as function enhancing electronics.

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