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US2849075A
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Self-sustaining oscillatory acoustic well logging
Assignee: ExxonMobil Oil Corp
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Filing: 1953-03-23
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Granted: 1958-08-26
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Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 John K Godbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/401; Y10S367/00; Y10S367/911; Y10S367/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2440903A
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US2595241A
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US2586745A
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Cited
US2722282A
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US2618698A
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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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |