US2927488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: Siemens Industry Inc
•
Filing: 1956-08-17
•
Granted: 1960-03-08
•
Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lothar H Petereit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:31
CPC Classifications
B; B21; B21B; B21B35/00; B21B35/14; B21B13/00; B21B13/06; B21B35/142; B21B35/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US684732A
Cited
US1761943A
Cited
US2136947A
Cited
US2195502A
Cited
US2395534A
Cited
US2575231A
Cited
US2521701A
Cited
US2617673A
Cited
US2769323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |