Patent US2382815A successfully refreshed from Google Patents.
US2382815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion system
Assignee: Standard Oil Co
•
Filing: 1942-08-13
•
Granted: 1945-08-14
•
Expires: 1962-08-13
Abstract
No abstract record available.
Inventors
- 👤 Sutton Mack
- 👤 Cecil W Nysewander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:57
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/2226; C07C5/2246; C07C5/2253; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126
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) | 1948-08-13 | 1949-02-12 | 1949-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-13 | 1953-02-12 | 1953-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-13 | 1957-02-12 | 1957-08-14 | $7700.00 | Window Closed / Lapsed |