US2415477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons
Assignee: Pure Oil Co
•
Filing: 1942-12-26
•
Granted: 1947-02-11
•
Expires: 1962-12-26
Abstract
No abstract record available.
Inventors
- 👤 Hillis O Folkins
- 👤 Carlisle M Thacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:54
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/06; B; B01; B01J; B01J27/00; B01J27/02; B01J27/04; C07; C07C; C07C4/00; C07C4/02; C07C4/06; C07C2531/00; C07C2531/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1221698A
Cited
US2115336A
Cited
US1925421A
Cited
US2168840A
Cited
US2268094A
Cited
US2232909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-10 | 1950-08-12 | 1951-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-10 | 1954-08-12 | 1955-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-10 | 1958-08-12 | 1959-02-11 | $7700.00 | Window Closed / Lapsed |