US3667734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed-mixing apparatus
Assignee: Deere and Co
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Filing: 1971-02-23
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Granted: 1972-06-06
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Expires: 1991-02-23
Abstract
Abstract FEED-MIXING APPARATUS INCLUDING A CYLINDRICAL TANK HAVING A SUBSTANTIALLY HORIZONTAL BOTTOM, A MIXING AUGER CONTAINED WITHIN A VERTICAL TUBULAR HOUSING MOUNTED CONCENTRICALLY WITHIN THE TANK, AND A HORIZONTAL BLADE FIXED AT ONE END TO THE LOWER PORTION OF THE AUGER AND HAVING AN OUTER END EXTENDING IN CLOSE PROXIMITY TO THE TANK WALL, THE BLADE BEING OPERABLE TO SWEEP ACROSS THE BOTTOM OF THE TANK AS THE AUGER IS ROTATED AND THEREBY PROMOTE MIXING OF THE MATERIAL CONTAINED THEREIN.
Inventors
- 👤 Arnold Burton Skromme
- 👤 Harold Richard Lindstrom
- 👤 Etlar August Henningsen
- 👤 Royal Lowell Beldin
- 👤 Donald Thomas Sorlie
- 👤 Elmer Richard Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:22
CPC Classifications
A; A23; A23N; A23N17/00; A23N17/007; B; B01; B01F; B01F27/00; B01F27/80; B01F27/92; B01F27/921; B01F27/9211; B01F33/00; B01F33/50; B01F33/502; B01F33/5023; B01F2101/00; B01F2101/06; B01F2101/18; B01F27/05; B01F27/11; B01F27/114; B01F27/23; B01F27/232; B01F27/2321; Y; Y10; Y10S; Y10S366/00; Y10S366/603
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |