Research/Patents/US 4733242
US 4733242

SUBMARINE DETECTION SYSTEM

Assignee

ITT CORPORATION

Filed

Jul 20, 1959

Granted

Mar 22, 1988

Location

NEW YORK NEW YORK 10022

Abstract

A system for detecting the presence and depth of an object submerged in a medium having transmission characteristic substantially different than the atmosphere by means of receiving radiation from lighting incident to a reflected from the submerged object.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 3, 1982

Rescinded

May 29, 1987

Duration

5 years, 2 months

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