US2850882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for handling volatile liquids
Assignee: Union Carbide Corp
•
Filing: 1955-12-02
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Granted: 1958-09-09
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Jesse B Starnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:09
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2066; F; F17; F17C; F17C7/00; F17C7/02; F17C9/00; F17C2203/00; F17C2203/03; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0332; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/313
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A SYSTEM FOR SORTING AND PUMPING A LIQUENFIED GAS, A HEAT INSULATED CONTAINER FOR HOLDING A LIQUEFIED GAS NORMALLY AT A PREDETERMINED LOWER OPERATING PRESSURE RANGE; PUMPING MEANS ASSOCIATED WITH SAID CONTAINER FOR WITHDRAWING LIQUID THEREFROM AND PUMPING IT AGAINST A PRESSURE SUBSTANTIALLY HIGHER THAN CONTAINER PRESSURE; PUMP CONTROL MEANS OPERATIVE WHEN ENERGIZED AND DEENERGIZED TO INITATE AND TERMINATE PUMPING PERIODS, RESPECTIVELY; NORMALLY INOPERATIVE CONTAINER PRESSURE CONTROL MEANS RESPONSIVE TO CONTAINER PRESSURE FOR MAINTAINING CONTAINER PRESSURE AT A PREDETERMINED HIGHER OPERATING PRESSURE RANGE WITHIN SELECTED LIMITS; AND MEANS CONNECTED WITH SAID PUMP CONTROL MEANS AND SAID CONTAINER PRESSURE CONTROL MEANS AND OPERATIVE WHEN SAID PUMP CONTROL MEANS ARE ENERGIZED TO RENDER SAID CONTAINER PRESSURE CONTROL MEANS OPERATIVE DURING PUMPING PERIODS.
Claim 2
Dependent Claim
121 words
IN A SYSTEM FOR SORTING AND PUMPING A LIQUENFIED GAS, A HEAT INSULATED CONTAINER FOR HOLDING A LIQUEFIED GAS NORMALLY AT A PREDETERMINED LOWER OPERATING PRESSURE RANGE; PUMPING MEANS ASSOCIATED WITH SAID CONTAINER FOR WITHDRAWING LIQUID THEREFROM AND PUMPING IT AGAINST A PRESSURE SUBSTANTIALLY HIGHER THAN CONTAINER PRESSURE; PUMP CONTROL MEANS OPERATIVE WHEN ENERGIZED AND DEENERGIZED TO INITATE AND TERMINATE PUMPING PERIODS, RESPECTIVELY; NORMALLY INOPERATIVE CONTAINER PRESSURE CONTROL MEANS RESPONSIVE TO CONTAINER PRESSURE FOR MAINTAINING CONTAINER PRESSURE AT A PREDETERMINED HIGHER OPERATING PRESSURE RANGE WITHIN SELECTED LIMITS; AND MEANS CONNECTED WITH SAID PUMP CONTROL MEANS AND SAID CONTAINER PRESSURE CONTROL MEANS AND OPERATIVE WHEN SAID PUMP CONTROL MEANS ARE ENERGIZED TO RENDER SAID CONTAINER PRESSURE CONTROL MEANS OPERATIVE DURING PUMPING PERIODS.
References Cited (Backward Citations)
US2397657A
Cited
US2363200A
Cited
US2435332A
Cited
US2464835A
Cited
US2544734A
Cited
US2725722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |