US3038333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Productivity well logging
Assignee: Texaco Inc
•
Filing: 1958-07-31
•
Granted: 1962-06-12
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Allen
- 👤 Alexander S Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:34
CPC Classifications
G; G01; G01V; G01V5/00; G01V5/04; G01V5/08; G01V5/12; E; E21; E21B; E21B47/00; E21B47/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295738A
Cited
US2412363A
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US2453456A
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US2610691A
Cited
US2818728A
Cited
US2700734A
Cited
US2945952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |