US2452121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of synthetic hydrocarbons containing oxygenated compounds to hydrocarbons of high octane value
Assignee: Texaco Inc
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Filing: 1947-11-26
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Granted: 1948-10-26
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Expires: 1967-11-26
Abstract
No abstract record available.
Inventors
- 👤 James H Grahame
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:14
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0485; C10; C10L; C10L1/00; C10L1/04; C10L1/06; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; Y; Y10; Y10S; Y10S208/00; Y10S208/95
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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |