Patent US2569744A successfully refreshed from Google Patents.
US2569744A
Expired / Lapsed
US
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Multiple stand roller mill with worm and worm wheel drive to each roll
Assignee: International Milling Co
•
Filing: 1947-01-17
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Granted: 1951-10-02
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Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Cecka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:44
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/42; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |