Patent US2664170A successfully refreshed from Google Patents.
US2664170A
Expired / Lapsed
US
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Dual control separation of gas and oil
Assignee: Cameron Solutions Inc
•
Filing: 1952-07-24
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Granted: 1953-12-29
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Expires: 1972-07-24
Abstract
No abstract record available.
Inventors
- 👤 Jay P Walker
- 👤 Clarence O Glasgow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:11
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3009; Y10T137/3012; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048717A
Cited
US1846376A
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US2064962A
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US2211282A
Cited
US2457959A
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US2528032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |