Permanent marker for utilities

Static structures (e.g. – buildings) – Land marker or monument

Patent

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Details

52153, 52163, 135118, E04H 1300

Patent

active

047380608

ABSTRACT:
A marker assembly for permanently locating underground utility elements with a non-removable plastic stake and a tamper-proof marker held in place by the stake.

REFERENCES:
patent: 429650 (1890-06-01), Scott
patent: 2038962 (1936-04-01), Schulthess
patent: 3688454 (1972-09-01), Wolfcarius
patent: 4185424 (1980-01-01), Streit

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