Benchmark marking tool and benchmark marking method

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United States of America Patent

PATENT NO 8887449
SERIAL NO

12935154

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Abstract

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A benchmark marking tool includes a marking plate having an upper surface formed in a flat shape so as to mark a benchmark on the upper surface, a stud extending from a back surface of the upper surface of the marking plate and buried in a structure such as a floor of a building to fix the marking plate, and an outer peripheral flange provided around the marking plate and buried in a coating layer applied to the structure. The marking plate is provided such that the upper surface is located to be flush with or below an upper surface of the coating layer formed on the structure when the marking plate is located in the structure of the building.

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Patent Owner(s)

Patent OwnerAddress
TOSHIBA PLANT SYSTEMS & SERVICES CORPORATIONTSURUMI-KU YOKOHAMA-SHI KANAGAWA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoshi, Isao Hiratsuka, JP 4 11

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