Patent US2301044A successfully refreshed from Google Patents.
US2301044A
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US
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Catalyzed hydrocarbon reaction
Assignee: Standard Oil Co
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Filing: 1939-09-13
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Granted: 1942-11-03
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Expires: 1959-09-13
Abstract
No abstract record available.
Inventors
- 👤 Heard Llewellyn
- 👤 Alex G Oblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04
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) | 1945-11-02 | 1946-05-04 | 1946-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-02 | 1950-05-04 | 1950-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-02 | 1954-05-04 | 1954-11-03 | $7700.00 | Window Closed / Lapsed |