Patent US1425660A successfully refreshed from Google Patents.
US3372872A
Expired / Lapsed
US
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Artificial snow production
Assignee: GEORGE F LE BUS
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Filing: 1966-07-26
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Granted: 1968-03-12
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Iii George F Le Bus
- 👤 Bus James L Le
- 👤 Jr George F Le Bus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:40
CPC Classifications
F; F25; F25C; F25C3/00; F25C3/04; F25C2303/00; F25C2303/048
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A METHOD FOR PRODUCING ARTIFICIAL SNOW, SAID METHOD COMPRISING: HEATING ONE SUPPLY OF WATER TO A TEMPERATURE AND MAINTAINING A PRESSURE THEREON TO INSURE THE FORMATION OF STEAM, AT LEAST WHEN THE PRESSURE IS SUDDENLY REDUCED TO ATMOSPHERIC; PUMPING SAID HEATED WATER AND A SUPPLY OF COLD WATER IN SEPARATE CONDUITS TO SELECTED OUTLET LOCATIONS; MIXING SAID HOT AND COLD WATER WITH SUITABLE NOZZLE MEANS, WHILE SIMULTANEOUSLY DISCHARGING THE MIXTURE INTO THE ATMOSPHERE AND ONTO A SELECTED GROUND AREA.
References Cited (Backward Citations)
US2676471A
Cited
US3301485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |