US2324855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil handling system and method
Assignee: Alcoa Corp
•
Filing: 1941-02-03
•
Granted: 1943-07-20
•
Expires: 1961-02-03
Abstract
No abstract record available.
Inventors
- 👤 Norman B Lane
- 👤 William S Mingle
- 👤 Herman H Colson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:04
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/24
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) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |