US2632641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tiltable traction wheel for feeding strip to rolling mills
Assignee: United States Steel Corp
•
Filing: 1950-03-09
•
Granted: 1953-03-24
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Donald E Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:40
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/34; B21C47/3408; B21C47/3425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642141A
Cited
US1566441A
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US1700099A
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US2071076A
Cited
US2069318A
Cited
US2118347A
Cited
US2170578A
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US2409770A
Cited
US2435298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |