US3308891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool carrier
Assignee: Deere and Co
•
Filing: 1964-10-19
•
Granted: 1967-03-14
•
Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 William W Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/02; A01B35/04; A01B23/00; A01B23/04; A01B23/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN AGRICULTURAL IMPLEMENT COMPRISING A MAIN FRAME ADAPTED TO BE PROPELLED FORWARDLY OVER THE GROUND, AT LEAST ONE OUTRIGGER FRAME, HINGE MEANS CONNECTING SAID OUTRIGGER FRAME TO ONE SIDE OF THE MAIN FRAME FOR SWINGING ABOUT A GENERALLY FORE-AND-AFT EXTENDING AXIS, GROUND-WORKING TOOLS CONNECTED TO BOTH SAID MAIN FRAME AND SAID OUTRIGGER FRAME, A POWER CYLINDER CARRIED BY ONE OF SAID FRAMES AND INCLUDING AN EXTENSIBLE AND RETRACTABLE PISTON ROD, A LINK PIVOTED AT ITS MIDPORTION TO THE OUTER END OF SAID PISTON ROD, GROUND-ENGAGING MEANS MOVABLY CONNECTED WITH SAID MAIN FRAME AND SHIFTABLE RELATIVE THERETO FOR RAISING AND LOWERING SAID FRAME MEANS CONNECTING ONE END PORTION OF SAID LINK WITH SAID GROUND WHEELS, MEANS CONNECTING THE OTHER END PORTION OF SAID LINK WITH SAID OUTRIGGER FRAME, AND MEANS OPERABLE TO OPTIONALLY LOCK ONE OR THE OTHER END OF SAID LINK AGAINST SHIFTING.
Claim 2
Dependent Claim
143 words
AN AGRICULTURAL IMPLEMENT COMPRISING A MAIN FRAME ADAPTED TO BE PROPELLED FORWARDLY OVER THE GROUND, AT LEAST ONE OUTRIGGER FRAME, HINGE MEANS CONNECTING SAID OUTRIGGER FRAME TO ONE SIDE OF THE MAIN FRAME FOR SWINGING ABOUT A GENERALLY FORE-AND-AFT EXTENDING AXIS, GROUND-WORKING TOOLS CONNECTED TO BOTH SAID MAIN FRAME AND SAID OUTRIGGER FRAME, A POWER CYLINDER CARRIED BY ONE OF SAID FRAMES AND INCLUDING AN EXTENSIBLE AND RETRACTABLE PISTON ROD, A LINK PIVOTED AT ITS MIDPORTION TO THE OUTER END OF SAID PISTON ROD, GROUND-ENGAGING MEANS MOVABLY CONNECTED WITH SAID MAIN FRAME AND SHIFTABLE RELATIVE THERETO FOR RAISING AND LOWERING SAID FRAME MEANS CONNECTING ONE END PORTION OF SAID LINK WITH SAID GROUND WHEELS, MEANS CONNECTING THE OTHER END PORTION OF SAID LINK WITH SAID OUTRIGGER FRAME, AND MEANS OPERABLE TO OPTIONALLY LOCK ONE OR THE OTHER END OF SAID LINK AGAINST SHIFTING.
References Cited (Backward Citations)
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US2754739A
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US2725703A
Cited
US2828680A
Cited
US2982080A
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US2960346A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |