US2939544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and means for treating emulsified well streams and condensing vapors evolved therefrom
Assignee: Cameron Solutions Inc
•
Filing: 1957-05-27
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Granted: 1960-06-07
•
Expires: 1977-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jay P Walker
- 👤 Clarence O Glasgow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:12
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2420115A
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US2528032A
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US2713919A
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US2685938A
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US2765917A
Cited
US2780304A
Cited
US2808123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |