US2451573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid catalyst regenerator system
Assignee: Atlantic Richfield Co
•
Filing: 1943-05-15
•
Granted: 1948-10-19
•
Expires: 1963-05-15
Abstract
No abstract record available.
Inventors
- 👤 William A Myers
- 👤 William A Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:33
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; C10G11/182
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2265964A
Cited
US2356680A
Cited
US2320562A
Cited
US2367351A
Cited
US2327175A
Cited
US2424467A
Cited
US2379734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |