US2585274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reactor
Assignee: Stanolind Oil and Gas Co
•
Filing: 1944-12-22
•
Granted: 1952-02-12
•
Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Eric H Reichl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:50
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00079; B01J2208/00106; B01J2208/00115; B01J2208/00123; B01J2208/00132
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE244267C
Cited
DE236434C
Cited
US793696A
Cited
US1845058A
Cited
US1894768A
Cited
US1970923A
Cited
US2205409A
Cited
US2195414A
Cited
US2212043A
Cited
US2357901A
Cited
US2360787A
Cited
US2394680A
Cited
US2367351A
Cited
US2384858A
Cited
US2399050A
Cited
US2409780A
Cited
US2430443A
Cited
US2429751A
Cited
US2413271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |