Patent US4988460A successfully refreshed from Google Patents.
Patent US3144743A successfully refreshed from Google Patents.
US3144743A
Expired / Lapsed
US
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Topping device for sugar cane harvester
Assignee: Massey Ferguson Australia Ltd
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Filing: 1961-03-27
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Granted: 1964-08-18
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Gaunt James Kenneth
- 👤 Wood James
- 👤 Dougls John Errington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:42
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A TOPPING MECHANISM FOR A SUGAR CANE HARVESTER COMPRISING, IN COMBINATION, AN ELONGATED ARM, A ROTARY CUTTER JOURNALED IN A GENERALLY HORIZONTAL PLANE AT THE FORWARD END OF SAID ARM, A PAIR OF ELONGATED GATHERING COMPONENTS MOUNTED ON SAID FRAME ONE ABOVE AND THE OTHER BELOW SAID CUTTER AND DIVERGING FORWARDLY IN GENERALLY HORIZONTAL PLANES SO AS TO DEFINE A PATH WHICH CONVERGES TOWARD SAID CUTTER, EACH OF SAID COMPONENTS CARRYING ENDLESS CONVEYORS DRIVEN ALONG SAID COMPONENTS SO AS TO RUN ALONG SAID PATH TOWARD SAID CUTTER, SAID CONVEYORS CROSSING ONE ANOTHER AT A POINT SPACED REARWARDLY OF THE EFFECTIVE CUTTING ARC OF SAID CUTTER, AND MEANS DRIVING SAID CUTTER SO AS TO CUT TRANSVERSELY OF SAID PATH TOWARD THE LOWER GATHERING COMPONENT.
Claim 2
Dependent Claim
123 words
A TOPPING MECHANISM FOR A SUGAR CANE HARVESTER COMPRISING, IN COMBINATION, AN ELONGATED ARM, A ROTARY CUTTER JOURNALED IN A GENERALLY HORIZONTAL PLANE AT THE FORWARD END OF SAID ARM, A PAIR OF ELONGATED GATHERING COMPONENTS MOUNTED ON SAID FRAME ONE ABOVE AND THE OTHER BELOW SAID CUTTER AND DIVERGING FORWARDLY IN GENERALLY HORIZONTAL PLANES SO AS TO DEFINE A PATH WHICH CONVERGES TOWARD SAID CUTTER, EACH OF SAID COMPONENTS CARRYING ENDLESS CONVEYORS DRIVEN ALONG SAID COMPONENTS SO AS TO RUN ALONG SAID PATH TOWARD SAID CUTTER, SAID CONVEYORS CROSSING ONE ANOTHER AT A POINT SPACED REARWARDLY OF THE EFFECTIVE CUTTING ARC OF SAID CUTTER, AND MEANS DRIVING SAID CUTTER SO AS TO CUT TRANSVERSELY OF SAID PATH TOWARD THE LOWER GATHERING COMPONENT.
References Cited (Backward Citations)
US2516277A
Cited
US2702979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |