US2468494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon synthesis
Assignee: Standard Oil Development Co
•
Filing: 1944-12-07
•
Granted: 1949-04-26
•
Expires: 1964-12-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Lindsay I Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:53
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2098766A
Cited
GB516160A
Cited
US2326705A
Cited
US2266161A
Cited
US2360787A
Cited
US2347682A
Cited
US2341193A
Cited
US2361978A
Cited
US2414736A
Cited
US2407371A
Cited
US2395106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |