Patent US5134638A successfully refreshed from Google Patents.
Patent US3975292A successfully refreshed from Google Patents.
US3975292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of screening infra-red radiation
Assignee: United States Department of the Army
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Filing: 1963-10-01
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Granted: 1976-08-17
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Expires: 1983-10-01
Abstract
Abstract 1. A method of forming an aerosol of flake-like aluminum particles having diameters in the range of 2 to 20 microns and thicknesses of less than 3/10 micron wich comprises feeding into a hot, high velocity gas stream a suspension of said particles in a hydrocarbon oil, the temperature of said gas stream being sufficient to quickly vaporize said hydrocarbon oil thereby forming a mixed stream of hot gases, hydrocarbon oil vapors and said aluminum particles, and discharging said mixed stream into the atmosphere.
Inventors
- 👤 Roy E. Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/30; B; B01; B01D; B01D1/00; B01D1/14; Y; Y10; Y10S; Y10S516/00; Y10S516/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A method of forming an aerosol of flake-like aluminum particles having diameters in the range of 2 to 20 microns and thicknesses of less than 3/10 micron which comprises feeding into a hot, high velocity gas stream a suspension of said particles in a hydrocarbon oil, the temperature of said gas stream being sufficient to quickly vaporize said hydrocarbon oil thereby forming a mixed stream of hot gases, hydrocarbon oil vapors and said aluminum particles, and discharging said mixed stream into the atmosphere.
Claim 2
Independent Claim
83 words
A method of forming an aerosol of flake-like aluminum particles having diameters in the range of 2 to 20 microns and thicknesses of less than 3/10 micron which comprises feeding into a hot, high velocity gas stream a suspension of said particles in a hydrocarbon oil, the temperature of said gas stream being sufficient to quickly vaporize said hydrocarbon oil thereby forming a mixed stream of hot gases, hydrocarbon oil vapors and said aluminum particles, and discharging said mixed stream into the atmosphere.
References Cited (Backward Citations)
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US2927849A
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US2909491A
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US2871344A
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US3242098A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-17 | 1980-02-16 | 1980-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-17 | 1984-02-16 | 1984-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-17 | 1988-02-16 | 1988-08-17 | $7700.00 | Window Closed / Lapsed |