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US3712054A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for suppression of heat radiation

Assignee: United States Department of the Navy
•
Filing: 1969-10-01
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Granted: 1973-01-23
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Expires: 1989-10-01
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Abstract

Abstract A radiation field is attenuated by dispersing in it a cloud of discrete particles. Several dust dispensers are disclosed for this purpose.

Inventors

  • 👤 E Regelson
  • 👤 H Sumnicht
  • 👤 J Crecelius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:49
CPC Classifications
F; F41; F41H; F41H11/00; F41H11/02; B; B64; B64D; B64D1/00; B64D1/16; F02; F02K; F02K1/00; F02K1/28; F02K1/34; F02K1/78; F02K1/82; F02K1/822; F02K1/825

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 68 words
The method of attenuating the heat radiation signature of a heat exhausting vehicle engine, comprising; storing on said vehicle a supply of powdered material; temporally fluidizing said powdered material with compressed air; conveying a quantity of said fluidized powder to the vicinity of a heat radiating portion of said vehicle or engine; and dispersing a quantity of said powder into the immediate area surrounding said heat radiating portion.
Claim 2
Independent Claim 68 words
The method of attenuating the heat radiation signature of a heat exhausting vehicle engine, comprising; storing on said vehicle a supply of powdered material; temporally fluidizing said powdered material with compressed air; conveying a quantity of said fluidized powder to the vicinity of a heat radiating portion of said vehicle or engine; and dispersing a quantity of said powder into the immediate area surrounding said heat radiating portion.

References Cited (Backward Citations)

US3267857A Cited
US3279193A Cited
US3429507A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-23 1976-07-24 1977-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-23 1980-07-24 1981-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-23 1984-07-24 1985-01-23 $7700.00 Window Closed / Lapsed

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