US2207348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Determination of the connate water content of oil producing formations
Assignee: Union Oil Company of California
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Filing: 1936-10-20
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Granted: 1940-07-09
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Expires: 1956-10-20
Abstract
No abstract record available.
Inventors
- 👤 Philip H Jones
- 👤 Arthur L Blount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:22
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; E; E21; E21B; E21B49/00; E21B49/005; G; G01; G01N; G01N33/00; G01N33/24; G01N33/241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-09 | 1944-01-08 | 1944-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-09 | 1948-01-08 | 1948-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-09 | 1952-01-08 | 1952-07-09 | $7700.00 | Window Closed / Lapsed |