Patent US1591024A successfully refreshed from Google Patents.
US1591024A
Expired / Lapsed
US
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Oil-recovery apparatus
Assignee: Texaco Inc
•
Filing: 1923-08-31
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Granted: 1926-07-06
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Expires: 1943-08-31
Abstract
No abstract record available.
Inventors
- 👤 Fred P Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:05
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/046; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-07-05 | 1930-01-04 | 1930-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-05 | 1934-01-04 | 1934-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-05 | 1938-01-04 | 1938-07-06 | $7700.00 | Window Closed / Lapsed |