US2941619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for separating gas and liquid fractions from petroleum gas oil stream
Assignee: Individual
•
Filing: 1958-12-22
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Granted: 1960-06-21
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 John J Sochor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:58
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/16; E; E21; E21B; E21B43/00; E21B43/34
Claims Analysis
Total Claims: 0
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |