US3566658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold rolling mill with roll pass ring
Assignee: Mannesmann Meer AG
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Filing: 1969-10-20
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Granted: 1971-03-02
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Expires: 1989-10-20
Abstract
Abstract A COLD ROLLING MILL OF THE STEP-BACK TYPE HAS A ROTATABLE SHAFT AND A ROLL PASS RING HEAT SHRUNK THEREON SUFFICIENTLY INTENSIVELY FOR THE SLIP-FREE CARRYING OUT OF HIGH-SPEED STEP-BACK ROLLING.
Inventors
- 👤 Fritz Zeunert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
B; B21; B21B; B21B21/00; B21B21/02; Y; Y10; Y10T; Y10T403/00; Y10T403/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |