Patent US2729948A successfully refreshed from Google Patents.
US2729948A
Expired / Lapsed
US
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Process of transfer of liquefied gas
Assignee: Olin Corp
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Filing: 1953-02-18
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Granted: 1956-01-10
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Expires: 1973-02-18
Abstract
No abstract record available.
Inventors
- 👤 Walter W Northgraves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:27
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0338; F17C2221/00; F17C2221/01; F17C2221/013; F17C2221/03; F17C2221/032; F17C2221/033; F17C2221/037; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2223/04; F17C2223/042; F17C2223/043; F17C2223/046; F17C2223/047; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0173; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/2931; Y10T137/3115; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
216 words
A SYSTEM FOR DISCHARGING A LIQUEFIABLE GAS IN GASEOUS STATE AT A DESIRED PROCESS PRESSURE FROM A PRESSURE VESSEL CONTAINING THE GAS IN LIQUID STATE WHICH COMPRISES, IN COOPERATION WITH A PRESSURE VESSEL AND A PROCESS REQUIRING THE LIQUEFIABLE GAS IN GASEOUS STATE AT A DESIRED PROCESS PRESSURE, A FIRST LINE CONNECTING THE UPPER PORTION OF THE PRESSURE VESSEL WITH THE PROCESS, A PRESSURE REGULATING DEVICE IN THE FIRST LINE ADJUSTED TO CLOSE AT A PRESSURE IN THE PRESSURE VESSEL CORRESPONDING TO A PERMISSIBLE TEMPERATURE FOR THE LIQUEFIED GAS IN THE PRESSURE VESSEL, A SECOND PRESSURE REGULATING DEVICE IN THE FIRST LINE ADJUSTED TO OPEN AT A PRESSURE LESS THAN THE DESIRED PROCESS PRESSURE, A VAPORIZING UNIT, MEANS FOR SUPPLYING HEAT TO THE VAPORIZING UNIT, A SECOND LINE CONNECTING THE LOWER PORTION OF THE PRESSURE VESSEL WITH THE LOWER PROTION OF THE VAPORIZING UNIT, A THIRD LINE CONNECTING THE UPPER PORTION OF THE VAPORIZING UNIT WITH THE FIRST LINE AT A POINT BETWEEN THE TWO PRESSURE REGULATING DEVICES, AND A THIRD PRESSURE REGULATING DEVICE IN THE THIRD LINE ADJUSTED TO OPEN AT A PRESSURE IN THE FIRST LINE BETWEEN THE PRESSURE AT WHICH THE FIRST PRESSURE REGULATING DEVICE IS ADJUSTED TO CLOSE AND THE PRESSURE AT WHICH THE SECOND PRESSURE REGULATING DEVICE IS ADJUSTED TO OPEN.
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |