Research/Patents/US 4975912
US 4975912

BRACKISH-WATER WIRE DETECTOR

Assignee

Filed

Apr 10, 1967

Granted

Dec 4, 1990

Location

Abstract

A detector of electrical wires which aer partially submerged in water and rtially extend out thereof having a means for broadcasting electromagnetic energy to the underwater portion thereof and means for receiving electromagnetic energy from the out of the water portion thereof.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 28, 1981

Rescinded

Jun 8, 1990

Duration

8 years, 7 months

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records