Patent US5074067A successfully refreshed from Google Patents.
US3124138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder and concave
Assignee: —
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:54
CPC Classifications
A; A01; A01F; A01F12/00; A01F12/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A THRESHING MECHANISM, PARTICULARLY FOR COMBINE HARVESTER COMPRISING, IN COMBINATION, A THRESHING DRUM; FEEDING MEANS FOR FEEDING MATERIAL TO BE THRESHED TOWARD SAID THRESHING DRUM AND HAVING A DELIVERY AND DIRECTED TOWARD SAID DRUM; A CONCAVE HAVING AN ACTIVE SURFACE OF A GIVEN LENGTH DIRECTED TOWARD AND COOPERATING WITH SAID DRUM AND HAVING A RECEIVING END SPACED FROM SAID DELIVERY END OF SAID FEEDING MEANS; EXTENSION MEANS LOCATED BETWEEN SAID DELIVERY END OF SAID FEEDING MEANS AND SAID RECEIVING END OF SAID CONCAVE, SAID EXTENSION MEANS HAVING A PAIR OF SURFACES INCLINED WITH RESPECT TO EACH OTHER; AND MEANS MOUNTING SAID EXTENSION MEANS TILTABLE BETWEEN AN ACTIVE POSITION IN WHICH ONE OF SAID SURFACES FORM A CONTINUATION OF SAID ACTIVE SURFACE OF SAID CONCAVE FOR INCREASING THE LENGTH OF SAID ACTIVE SURFACE AND A LEAD-IN POSITION IN WHICH SAID ONE SURFACE IS SPACED FROM SAID RECEIVING END OF SAID CONCAVE TO FORM A STONECATCHING GAP THEREWITH WHILE THE OTHER SURFACE FORMS A CONTINUATION OF SAID DELIVERY END OF SAID FEEDING MEANS FOR FACILITATING FEEDING OF MATERIAL TO BE THRESHED FROM SAID DELIVERY END TO SAID RECEIVING END OF SAID CONCAVE.
Claim 2
Dependent Claim
190 words
A THRESHING MECHANISM, PARTICULARLY FOR COMBINE HARVESTER COMPRISING, IN COMBINATION, A THRESHING DRUM; FEEDING MEANS FOR FEEDING MATERIAL TO BE THRESHED TOWARD SAID THRESHING DRUM AND HAVING A DELIVERY AND DIRECTED TOWARD SAID DRUM; A CONCAVE HAVING AN ACTIVE SURFACE OF A GIVEN LENGTH DIRECTED TOWARD AND COOPERATING WITH SAID DRUM AND HAVING A RECEIVING END SPACED FROM SAID DELIVERY END OF SAID FEEDING MEANS; EXTENSION MEANS LOCATED BETWEEN SAID DELIVERY END OF SAID FEEDING MEANS AND SAID RECEIVING END OF SAID CONCAVE, SAID EXTENSION MEANS HAVING A PAIR OF SURFACES INCLINED WITH RESPECT TO EACH OTHER; AND MEANS MOUNTING SAID EXTENSION MEANS TILTABLE BETWEEN AN ACTIVE POSITION IN WHICH ONE OF SAID SURFACES FORM A CONTINUATION OF SAID ACTIVE SURFACE OF SAID CONCAVE FOR INCREASING THE LENGTH OF SAID ACTIVE SURFACE AND A LEAD-IN POSITION IN WHICH SAID ONE SURFACE IS SPACED FROM SAID RECEIVING END OF SAID CONCAVE TO FORM A STONECATCHING GAP THEREWITH WHILE THE OTHER SURFACE FORMS A CONTINUATION OF SAID DELIVERY END OF SAID FEEDING MEANS FOR FACILITATING FEEDING OF MATERIAL TO BE THRESHED FROM SAID DELIVERY END TO SAID RECEIVING END OF SAID CONCAVE.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |