US2998278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting device for removing and replacing roll assemblies in a rolling mill
Assignee: Lukens Steel Co
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Filing: 1960-05-11
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Granted: 1961-08-29
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Expires: 1980-05-11
Abstract
No abstract record available.
Inventors
- 👤 Leo R Daiuta
- 👤 John A Thurlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:53
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/08; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/24
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) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |