Patent US3009537A successfully refreshed from Google Patents.
US3009537A
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US
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Means for treating oil well emulsions
Assignee: Cameron Solutions Inc
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Filing: 1959-05-11
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Granted: 1961-11-21
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence O Glasgow
- 👤 Jay P Walker
- 👤 Judson D Lowd
- 👤 Young Charles Edward De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:55
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; C; C10; C10G; C10G33/00; C10G33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2864502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |