Patent US2705927A successfully refreshed from Google Patents.
US2705927A
Expired / Lapsed
US
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Apparatus for reducing and comminuting cereal grain
Assignee: G and R Corp
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Filing: 1949-12-30
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Granted: 1955-04-12
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Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 George O Graves
- 👤 Darwin F Rosebrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:07
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; A; A21; A21C; A21C11/00; A21C11/16; A23; A23L; A23L7/00; A23L7/10; A23L7/161; A23L7/165; A23L7/17; B02; B02C; B02C9/00; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DEVICE FOR COMMINUTING AND EXTRUDING CEREAL GRAIN COMPRISING A CYLINDRICAL HOUSING HAVING A BORE DEFINED IN PART FOR THE MAJOR PORTION OF ITS LENGTH BY A SHALLOW HELICAL GROOVE, SAID HOUSING HAVING A FEED OPENING THEREIN BETWEEN ITS ENDS, A ROTOR FITTING IN SAID HOUSING BORE AND HAVING A HELICAL RIB AT ITS PERIPHERY OF A DIAMETER SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID BORE FOR SNUG ROTATIVE FIT IN SAID BORE, AND A PAIR OF EXTRUSION PLATES SPANNING THE DISCHARGE END OF SAID HOUSING AND EACH HAVING EXTRUSION OPENINGS COMMUNICATING WITH OPENINGS IN THE OTHER, THE OUTERMOST PLATE HAVING FEWER OPENINGS AND A LESSER TOTAL AREA OF EXTRUSION OPENINGS THAN THE INNER PLATE.
Claim 2
Independent Claim
115 words
A DEVICE FOR COMMINUTING AND EXTRUDING CEREAL GRAIN COMPRISING A CYLINDRICAL HOUSING HAVING A BORE DEFINED IN PART FOR THE MAJOR PORTION OF ITS LENGTH BY A SHALLOW HELICAL GROOVE, SAID HOUSING HAVING A FEED OPENING THEREIN BETWEEN ITS ENDS, A ROTOR FITTING IN SAID HOUSING BORE AND HAVING A HELICAL RIB AT ITS PERIPHERY OF A DIAMETER SUBSTANTIALLY EQUAL TO THE DIAMETER OF SAID BORE FOR SNUG ROTATIVE FIT IN SAID BORE, AND A PAIR OF EXTRUSION PLATES SPANNING THE DISCHARGE END OF SAID HOUSING AND EACH HAVING EXTRUSION OPENINGS COMMUNICATING WITH OPENINGS IN THE OTHER, THE OUTERMOST PLATE HAVING FEWER OPENINGS AND A LESSER TOTAL AREA OF EXTRUSION OPENINGS THAN THE INNER PLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |