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US3136182A
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Replacement of roll stands in rolling mills
Assignee: Mannesmann Demag AG
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Filing: 1960-03-24
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Granted: 1964-06-09
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Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 Wegmann Ludwig
- 👤 Bruckschen Johann
- 👤 Weber Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/08; B21B31/10; B21B13/00; B21B13/02; B21B13/06; B21B31/02; B21B2031/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1040293A
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US2535898A
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US2527667A
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US2829697A
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US2938706A
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US2937431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |