US3530711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for determining the proportion of components of a mixture of fluids produced by a well
Assignee: Schlumberger Technology Corp
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Filing: 1968-12-18
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Granted: 1970-09-29
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Expires: 1988-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jean-Louis Tocanne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:42
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; E; E21; E21B; E21B47/00; E21B47/10; E21B47/113; E21B49/00; E21B49/08; G01N33/00; G01N33/26; G01N33/28; G01N33/2823
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) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |