US2798573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degasification of non-gaseous fluids
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-05-28
•
Granted: 1957-07-09
•
Expires: 1973-05-28
Abstract
No abstract record available.
Inventors
- 👤 Hans G Vesterdal
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
B; B01; B01D; B01D19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE PROCESS OF DEGASIFYING NON-GAS FLUIDS CONTAINING FINELY DISPERSED GAS BUBBLES WHICH COMPRISES, SUPPLYING SAID FLUIDS TO A CYLINDRICAL VESSEL CLOSED AT ONE END WITH A PISTON, COMPRESSING SAID FLUIDS IN SAID VESSEL WITH SAID PISTON TO A PRESSURE OF ABOUT 50 TO 200 P.S.I.G., SUBDENLY RELEASING SAID PRESSURE AT LEAST TO ATMOSPHERIC PRESSURE WHEREBY GAS IS SEPARATED FROM SAID FLUIDS WITHIN SAID VESSEL, AND RECOVERING THE GASIFIED FROM SAID VESSEL.
Claim 2
Dependent Claim
71 words
THE PROCESS OF DEGASIFYING NON-GAS FLUIDS CONTAINING FINELY DISPERSED GAS BUBBLES WHICH COMPRISES, SUPPLYING SAID FLUIDS TO A CYLINDRICAL VESSEL CLOSED AT ONE END WITH A PISTON, COMPRESSING SAID FLUIDS IN SAID VESSEL WITH SAID PISTON TO A PRESSURE OF ABOUT 50 TO 200 P.S.I.G., SUBDENLY RELEASING SAID PRESSURE AT LEAST TO ATMOSPHERIC PRESSURE WHEREBY GAS IS SEPARATED FROM SAID FLUIDS WITHIN SAID VESSEL, AND RECOVERING THE GASIFIED FROM SAID VESSEL.
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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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |