US2433255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for synthesizing hydrocarbons and the like
Assignee: Texaco Inc
•
Filing: 1946-09-26
•
Granted: 1947-12-23
•
Expires: 1966-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harold V Atwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:06
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00203; B01J2208/00796; B01J2208/00823; B01J2208/00831; B01J2208/00849
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |