US2721739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for positioning strip
Assignee: United States Steel Corp
•
Filing: 1952-04-17
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Granted: 1955-10-25
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Expires: 1972-04-17
Abstract
No abstract record available.
Inventors
- 👤 William H Mursch
- 👤 Howard S Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:08
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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |