US2404595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of hydrocarbon oils
Assignee: Texaco Inc
•
Filing: 1942-12-16
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Granted: 1946-07-23
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Expires: 1962-12-16
Abstract
No abstract record available.
Inventors
- 👤 Richker Charles
- 👤 Eastman Du Bois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:56
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; C10G9/00; C10G9/14
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) | 1949-07-22 | 1950-01-21 | 1950-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-22 | 1954-01-21 | 1954-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-22 | 1958-01-21 | 1958-07-23 | $7700.00 | Window Closed / Lapsed |