Patent US2856944A successfully refreshed from Google Patents.
US2856944A
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Means for controlling the pressure in an insulated tank containing liquefied methane
Assignee: Constock Liquid Methane Corp
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Filing: 1953-10-28
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Granted: 1958-10-21
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Expires: 1973-10-28
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:50
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C13/025; G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0332; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2225/03; F17C2225/035; F17C2227/00; F17C2227/03; F17C2227/0302; F17C2227/0304; F17C2227/0367; F17C2227/0369; F17C2227/0374; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2250/0636; F17C2260/00; F17C2260/04; F17C2260/042; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/011; F17C2270/0113; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0352; Y10T137/0379; Y10T137/0391; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/313; Y10T137/5762; Y10T137/6416; Y10T137/6606
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN COMBINATION, AN INSULATING TANK ADAPTED TO CONTAIN A READILY VAPORIZABLE LIQUID, A GAS DISCHARGE NOZZLE CONNECTED TO THE TANK, A RELIEF VALVE INTERPOSED BETWEEN THEM, AN AIR DUCT INTO WHICH THE GAS NOZZLE DISCHARGES, MEANS FOR MAINTAINING A CONTINUOUS FLOW OF AIR THROUGH SAID DUCT PAST THE GAS NOZZLE AND MEANS RESPONSIVE TO AN INCREASE IN THE PRESSURE IN THE TANK ABOVE A PREDETERMINED MINIMUM FOR INCREASING THE RATE OF FLOW OF AIR THROUGH SAID DUCT.
Claim 2
Dependent Claim
77 words
IN COMBINATION, AN INSULATING TANK ADAPTED TO CONTAIN A READILY VAPORIZABLE LIQUID, A GAS DISCHARGE NOZZLE CONNECTED TO THE TANK, A RELIEF VALVE INTERPOSED BETWEEN THEM, AN AIR DUCT INTO WHICH THE GAS NOZZLE DISCHARGES, MEANS FOR MAINTAINING A CONTINUOUS FLOW OF AIR THROUGH SAID DUCT PAST THE GAS NOZZLE AND MEANS RESPONSIVE TO AN INCREASE IN THE PRESSURE IN THE TANK ABOVE A PREDETERMINED MINIMUM FOR INCREASING THE RATE OF FLOW OF AIR THROUGH SAID DUCT.
References Cited (Backward Citations)
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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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |