Patent US3108482A successfully refreshed from Google Patents.
US3108482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive mechanism for an agricultural implement
Assignee: Deere and Co
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Filing: 1962-04-10
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Granted: 1963-10-29
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Donald H Polzin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:34
CPC Classifications
A; A01; A01C; A01C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A GRAIN DRILL HAVING A FRAME, LAND WHEEL MOVABLY CARRIED BY THE FRAME, MEANS TO MOVE THE LAND WHEELS GENERALLY VERTICALLY RELATIVE TO THE FRAME TO CAUSE THE FRAME TO BE MOVED FROM EITHER A RAISED INOPERATIVE POSITION OR A LOWERED OPERATIVE POSITION TO THE OTHER OF SAID POSITIONS, A GRAIN FEED DRIVING SHAFT CARRIED BY SAID FRAME SPROCKET MEANS SECURED TO SAID GRAIN FEED DRIVING SHAFT AND ABOUT THE AXIS OF ONE OF SAID LAND WHEELS, CHAIN DRIVE MEANS OPERATIVELY INTERCONNECTING SAID SPROCKETS WHEN THE FRAME IS IN A LOWERED OPERATIVE POSITION AND RESPONSIVE TO THE ROTATION OF THE LAND WHEELS WHEN THE GRAIN DRILL IS MOVED FORWARDLY TO CAUSE THE SHAFT TO BE ROTATED, AND MEANS RESPONSIVE TO THE MOVEMENT OF THE FRAME FROM A LOWERED OPERATIVE POSITION TO A RAISED INOPERATIVE POSITION TO DISENGAGE THE CHAIN FROM ONE OF SAID SPROCKETS, WHEREBY THE SHAFT IS NOT ROTATED.
Claim 2
Dependent Claim
151 words
IN A GRAIN DRILL HAVING A FRAME, LAND WHEEL MOVABLY CARRIED BY THE FRAME, MEANS TO MOVE THE LAND WHEELS GENERALLY VERTICALLY RELATIVE TO THE FRAME TO CAUSE THE FRAME TO BE MOVED FROM EITHER A RAISED INOPERATIVE POSITION OR A LOWERED OPERATIVE POSITION TO THE OTHER OF SAID POSITIONS, A GRAIN FEED DRIVING SHAFT CARRIED BY SAID FRAME SPROCKET MEANS SECURED TO SAID GRAIN FEED DRIVING SHAFT AND ABOUT THE AXIS OF ONE OF SAID LAND WHEELS, CHAIN DRIVE MEANS OPERATIVELY INTERCONNECTING SAID SPROCKETS WHEN THE FRAME IS IN A LOWERED OPERATIVE POSITION AND RESPONSIVE TO THE ROTATION OF THE LAND WHEELS WHEN THE GRAIN DRILL IS MOVED FORWARDLY TO CAUSE THE SHAFT TO BE ROTATED, AND MEANS RESPONSIVE TO THE MOVEMENT OF THE FRAME FROM A LOWERED OPERATIVE POSITION TO A RAISED INOPERATIVE POSITION TO DISENGAGE THE CHAIN FROM ONE OF SAID SPROCKETS, WHEREBY THE SHAFT IS NOT ROTATED.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |