Patent US2997053A successfully refreshed from Google Patents.
US2997053A
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US
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Oil and gas separators
Assignee: Cameron Solutions Inc
•
Filing: 1957-06-03
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Granted: 1961-08-22
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Expires: 1977-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jay P Walker
- 👤 Clarence O Glasgow
- 👤 Knox B Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0063; E; E21; E21B; E21B43/00; E21B43/34; F; F16; F16K; F16K15/00; F16K15/18; F16K15/182; F16K15/1823; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3009; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/5109; Y10T137/5196; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7904; Y10T137/7905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1581371A
Cited
US1897332A
Cited
US1897398A
Cited
US2661758A
Cited
US2756837A
Cited
US2795236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |