US3406887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for automatically centering moving strip
Assignee: United States Steel Corp
•
Filing: 1967-03-20
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Granted: 1968-10-22
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 John F Laycak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/68; B21C; B21C47/00; B21C47/34; B21C47/3408; B21C47/3416; B21D; B21D43/00; B21D43/02; B21D43/021; B21D43/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2842361A
Cited
US3090534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |