Patent US3402348A successfully refreshed from Google Patents.
US3402348A
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US
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Removal of the effect of micropulsation field from magnetic well logs
Assignee: Mobil Oil AS
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Filing: 1965-02-15
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Granted: 1968-09-17
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Gustave L Hoehn
- 👤 William H Ruehle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:04
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/025; G01V; G01V3/00; G01V3/18; G01V3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2291692A
Cited
US2469383A
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US2441065A
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US2766426A
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US2879403A
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US3274488A
Cited
US3321700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |