US2595910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: United States Steel Corp
•
Filing: 1945-11-19
•
Granted: 1952-05-06
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Henry J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
B; B21; B21B; B21B19/00; B21B19/02; B21B19/06; B21B19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US490628A
Cited
GB195013A
Cited
US1528832A
Cited
US1538118A
Cited
US1665915A
Cited
US1748959A
Cited
US1773004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |