US2417527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbon oils
Assignee: Standard Oil Development Co
•
Filing: 1942-01-31
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Granted: 1947-03-18
•
Expires: 1962-01-31
Abstract
No abstract record available.
Inventors
- 👤 William J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:34
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; B; B01; B01J; B01J21/00; B01J21/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2276081A
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US2287940A
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US2267766A
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US2300240A
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US2296722A
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US2270071A
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US2270072A
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US2311498A
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US2271148A
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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) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |