US2395022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum halide hydrocarbon conversion system
Assignee: Standard Oil Co
•
Filing: 1943-03-31
•
Granted: 1946-02-19
•
Expires: 1963-03-31
Abstract
No abstract record available.
Inventors
- 👤 Sutton Mack
- 👤 Cecil W Nysewander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:12
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/271; C07C5/2718; C07C5/2721; B; B01; B01J; B01J27/00; B01J27/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1949-02-18 | 1949-08-20 | 1950-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-18 | 1953-08-20 | 1954-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-18 | 1957-08-20 | 1958-02-19 | $7700.00 | Window Closed / Lapsed |