Research/Patents/US 4719857
US 4719857

PYROTECHNIC DEVICE

Assignee

PAINS-WESSEX LIMITED, A BRITISH COMPANY

Filed

Mar 29, 1982

Granted

Jan 19, 1988

Location

SLOUGH GB

Abstract

The pyrotechnic device comprises a projectile, a ground mounted device or a floating device whose casing contains a charge of particulate material, for example a combustible silicon-containing material in particular mixed with titanium or other suitable combustible metal-containing material and gunpowder such that, following ignition, infra-red emitting particles are emitted for forming an infra-red radiating screen.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Dec 8, 1982

Rescinded

Apr 15, 1987

Duration

4 years, 4 months

Inventor

  • 1DAVID J. SPRING

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