Patent US3327787A successfully refreshed from Google Patents.
US3327787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc harrow
Assignee: Kewanee Machinery and Conveyor Co
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Filing: 1965-03-31
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Granted: 1967-06-27
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Adee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B21/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN A DISC HARROW: A MAIN FRAME HAVING A SIDE; A WHEEL AND AXLE ASSEMBLY COUPLED WITH SAID MAIN FRAME AT A LOCATION THEREON TO SUPPORT THE SAME FOR MOVEMENT OVER THE GROUND; A PAIR OF SPACED DISC GANGS CARRIED BY SAID MAIN FRAME AND BEING DISPOSED THEREON TRANSVERSELY OF THE PATH OF TRAVEL THEREOF, SAID GANGS BEING RELATIVELY DIVERGENT AS THE OUTER ENDS THEREOF ARE APPROACHED, SAID OUTER ENDS OF THE GANGS BEING DISPOSED ADJACENT TO SAID SIDE OF THE MAIN FRAME; A SIDE FRAME HINGEDLY MOUNTED ON SAID SIDE OF THE MAIN FRAME FOR VERTICAL SWINGING MOVEMENT WITH RESPECT THERETO; AND A PAIR OF SPACED DISC GANGS CARRIED BY SAID SIDE FRAME FOR MOVEMENT THEREWITH, BEING DISPOSED TRANSVERSELY OF SAID PATH, AND BEING RELATIVELY DIVERGENT AS THE OUTER ENDS THEREOF ARE APPROACHED, THE DISTANCE BETWEEN THE OUTER ENDS OF THE GANGS OF SAID SIDE FRAME BEING SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN THE OUTER ENDS OF THE GANGS OF SAID MAIN FRAME, THE REAR GANG OF SAID SIDE FRAME BEING IN SUBSTANTIAL AXIAL ALIGNMENT WITH THE REAR GANG OF SAID MAIN FRAME.
Claim 2
Dependent Claim
184 words
IN A DISC HARROW: A MAIN FRAME HAVING A SIDE; A WHEEL AND AXLE ASSEMBLY COUPLED WITH SAID MAIN FRAME AT A LOCATION THEREON TO SUPPORT THE SAME FOR MOVEMENT OVER THE GROUND; A PAIR OF SPACED DISC GANGS CARRIED BY SAID MAIN FRAME AND BEING DISPOSED THEREON TRANSVERSELY OF THE PATH OF TRAVEL THEREOF, SAID GANGS BEING RELATIVELY DIVERGENT AS THE OUTER ENDS THEREOF ARE APPROACHED, SAID OUTER ENDS OF THE GANGS BEING DISPOSED ADJACENT TO SAID SIDE OF THE MAIN FRAME; A SIDE FRAME HINGEDLY MOUNTED ON SAID SIDE OF THE MAIN FRAME FOR VERTICAL SWINGING MOVEMENT WITH RESPECT THERETO; AND A PAIR OF SPACED DISC GANGS CARRIED BY SAID SIDE FRAME FOR MOVEMENT THEREWITH, BEING DISPOSED TRANSVERSELY OF SAID PATH, AND BEING RELATIVELY DIVERGENT AS THE OUTER ENDS THEREOF ARE APPROACHED, THE DISTANCE BETWEEN THE OUTER ENDS OF THE GANGS OF SAID SIDE FRAME BEING SUBSTANTIALLY EQUAL TO THE DISTANCE BETWEEN THE OUTER ENDS OF THE GANGS OF SAID MAIN FRAME, THE REAR GANG OF SAID SIDE FRAME BEING IN SUBSTANTIAL AXIAL ALIGNMENT WITH THE REAR GANG OF SAID MAIN FRAME.
References Cited (Backward Citations)
US3193023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |