US2667932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic system for augmenting the extraction of oil from oil bearing strata
Assignee: Individual
•
Filing: 1948-02-17
•
Granted: 1954-02-02
•
Expires: 1968-02-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:17
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/054; B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; E21; E21B; E21B28/00; E21B43/00; E21B43/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23381E
Cited
GB146436A
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US1380869A
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US2044807A
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US2056513A
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US2184809A
Cited
US2437456A
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US2481068A
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US2889983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |