Patent US2434602A successfully refreshed from Google Patents.
US2434602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of solid materials
Assignee: Standard Oil Development Co
•
Filing: 1941-02-12
•
Granted: 1948-01-13
•
Expires: 1961-02-12
Abstract
No abstract record available.
Inventors
- 👤 William I Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:22
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1845; B01J8/1863
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1598967A
Cited
US2074456A
Cited
US2065643A
Cited
US2199838A
Cited
US2387798A
Cited
US2245531A
Cited
US2253486A
Cited
US2248196A
Cited
US2377512A
Cited
US2320273A
Cited
US2371619A
Cited
US2311564A
Cited
US2273076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |