Research/Patents/US 4961383
US 4961383Tier 3 — General Defense

COMPOSITE TUNGSTEN-STEEL ARMOR PENETRATORS

Assignee

US Government

Filed as: UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY

Filed

Jun 26, 1981

Granted

Oct 9, 1990

Location

COLUMBIA MD US

Abstract

An armor penetrating projectile having a matrix of iron or a steel alloy which has a Rockwell C hardness of from about 40 to about 60 and a density of from about 99.5 to 100 percent, the matrix being reinforced with wires of a heavy metal such as tungsten, molybdenum, tantalum, or alloys of these metals.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 17, 1982

Rescinded

Jun 8, 1990

Duration

8 years, 2 months

Inventor

  • 1STEVEN G. FISHMAN

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