Patent US2667905A successfully refreshed from Google Patents.
US2667905A
Expired / Lapsed
US
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Material progressor for machines for cleaning or scouring grain, bran, or like materials
Assignee: Buehler AG
•
Filing: 1949-05-20
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Granted: 1954-02-02
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Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Tanner Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:01
CPC Classifications
B; B02; B02B; B02B3/00; B02B3/08; B07; B07B; B07B1/00; B07B1/18; B07B1/20
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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |