Signals and indicators – Indicators – By location
Patent
1993-09-28
1995-11-21
Wirthlin, Alvin
Signals and indicators
Indicators
By location
33 1H, G01D 2100
Patent
active
054677297
ABSTRACT:
Information of the type, number, burying depth and direction of a pipe or other objects buried in the ground is identified on the ground surface. There is provided a buried marker comprising an identifying plate having indicia thereon and an interconnect band for interconnecting the identifying plate to the object buried in the ground. The position where the pipe or other object is buried is thus easily identified.
REFERENCES:
patent: 3523515 (1970-08-01), Brown
patent: 3927637 (1975-12-01), Sammaritano
patent: 4991536 (1991-02-01), Moshofsky
patent: 5506454 (1991-02-01), Turner
Yamada Yoshio
Yamakawa Katumi
Rodrick Robert M.
Thomas & Betts Corporation
Wirthlin Alvin
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