US2586703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shale distillation
Assignee: Standard Oil Development Co
•
Filing: 1946-11-01
•
Granted: 1952-02-19
•
Expires: 1966-11-01
Abstract
No abstract record available.
Inventors
- 👤 William W Odell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/06; C10G; C10G1/00; C10G1/02; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2414586A
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US2432135A
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US2394651A
Cited
US2396036A
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US2406810A
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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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |