Patent US5400173A successfully refreshed from Google Patents.
US3598313A
Expired / Lapsed
US
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Fog removal and prevention method utilizing cool dry air
Assignee: Fairchild Hiller Corp
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Filing: 1969-10-28
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Granted: 1971-08-10
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Expires: 1989-10-28
Abstract
Abstract A method for removing or preventing fog that includes taking ambient air into the confined area of a cooling chamber and subjecting the air in the confined area to cooling to reduce the temperature of the air and injecting the air that has been subjected to temperature reduction into the atmosphere above the area that is to be cleared of fog.
Inventors
- 👤 Milton Plattner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:09
CPC Classifications
E; E01; E01H; E01H13/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
The method of claim 1 wherein said steps of cooling said ambient air in said confined area and injecting said dry cool air into said atmosphere are accomplished without substantially compressing said ambient air or said dry cool air.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |