Patent US3510757A successfully refreshed from Google Patents.
US3510757A
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Formation dip measuring methods and apparatus using induction coils
Assignee: Schlumberger Technology Corp
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Filing: 1966-09-01
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Granted: 1970-05-05
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Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Owen H Huston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:56
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/02; E21B47/026; G; G01; G01V; G01V3/00; G01V3/18; G01V3/26; G01V3/28
Claims Analysis
Total Claims: 0
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US3187252A
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US3395341A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |