US1964504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill plant
Assignee: United Engineering and Foundry Co
•
Filing: 1930-07-19
•
Granted: 1934-06-26
•
Expires: 1950-07-19
Abstract
No abstract record available.
Inventors
- 👤 William C Coryell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:55
CPC Classifications
B; B21; B21B; B21B35/00; B21B35/06; B21B35/08; B21B13/00; B21B13/02; B21B2013/025; B21B15/00; B21B2015/0057; B21B31/00; B21B31/16; B21B31/20; B21B2031/206; B21B2203/00; B21B2203/06; B21B31/02
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) | 1937-06-25 | 1937-12-25 | 1938-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-25 | 1941-12-25 | 1942-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-25 | 1945-12-25 | 1946-06-26 | $7700.00 | Window Closed / Lapsed |