Patent US2940612A successfully refreshed from Google Patents.
US2940612A
Expired / Lapsed
US
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Turn-over gear for use with rolling mills and the like
Assignee: Davy Loewy Ltd
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Filing: 1957-01-18
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Granted: 1960-06-14
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Expires: 1977-01-18
Abstract
No abstract record available.
Inventors
- 👤 Shimeld Tom Alexander George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:19
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/20; B21B39/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US959813A
Cited
US1637420A
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US2272502A
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US2294841A
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US2745535A
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US2745536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |