Patent US3378075A successfully refreshed from Google Patents.
US3378075A
Expired / Lapsed
US
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Sonic energization for oil field formations
Assignee: Individual
•
Filing: 1965-04-05
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Granted: 1968-04-16
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:29
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/003; E21B28/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23381E
Cited
US2700422A
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US2670801A
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US2806533A
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US2849075A
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US2783449A
Cited
US2672322A
Cited
US2871943A
Cited
US2974273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |