US2650599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous pickling apparatus
Assignee: United States Steel Corp
•
Filing: 1948-12-15
•
Granted: 1953-09-01
•
Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 Louis T Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/02; C23G3/021
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US31361A
Cited
US1175429A
Cited
US1896951A
Cited
US1999822A
Cited
US2110991A
Cited
US2169206A
Cited
US2234593A
Cited
US2216544A
Cited
US2325158A
Cited
US2356842A
Cited
US2320499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |