Patent JPS5212912A successfully refreshed from Google Patents.
US3131773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Deere and Co
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Filing: 1962-07-11
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Granted: 1964-05-05
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Robert E Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:14
CPC Classifications
A; A01; A01B; A01B69/00; A01B69/02; A01B69/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN IMPLEMENT COMPRISING A FRAME, GROUND ENGAGING MEANS MOUNTED ON THE FRAME, MEANS TO RAISE THE GROUND ENGAGING MEANS FROM A GROUND ENGAGING POSITION TO AN ELEVATED POSITION, MARKING MEANS SWINGABLY MOUNTED ON THE FRAME AND ADAPTED TO BE SWUNG FROM AN OPERATIVE MARKING POSITION UPWARDLY TO AN INOPERATIVE POSITION, A MARKER CHAIN HAVING ONE END SECURED TO THE MARKING MEANS, FIRST ARM MEANS TO WHICH THE OTHER END OF THE MARKER CHAIN IS SECURED, SECOND ARM MEANS CARRYING A SHEAVE OVER WHICH A PORTION OF THE MARKER CHAIN PASSES, ONE OF SAID ARMS BEING CONNECTED TO SAID RAISING MEANS AND ADAPTED TO BE MOVED AWAY FROM THE OTHER OF SAID ARMS WHEN THE GROUND ENGAGING MEANS IS MOVED FROM ITS GROUND ENGAGING POSITION TO ITS ELEVATED POSITION, AND MEANS INTERCONNECTING SAID ARMS AND RESPONSIVE TO THE MOVEMENT OF SAID ONE ARM AWAY FROM THE OTHER ARM TO MOVE THE OTHER OF SAID ARMS AWAY FROM SAID ONE ARM WHEREBY THE MOVEMENT OF THE ARMS AWAY FROM EACH OTHER CAUSES THE MARKING MEANS TO BE RAISED TO ITS INOPERATIVE POSITION.
Claim 2
Dependent Claim
180 words
AN IMPLEMENT COMPRISING A FRAME, GROUND ENGAGING MEANS MOUNTED ON THE FRAME, MEANS TO RAISE THE GROUND ENGAGING MEANS FROM A GROUND ENGAGING POSITION TO AN ELEVATED POSITION, MARKING MEANS SWINGABLY MOUNTED ON THE FRAME AND ADAPTED TO BE SWUNG FROM AN OPERATIVE MARKING POSITION UPWARDLY TO AN INOPERATIVE POSITION, A MARKER CHAIN HAVING ONE END SECURED TO THE MARKING MEANS, FIRST ARM MEANS TO WHICH THE OTHER END OF THE MARKER CHAIN IS SECURED, SECOND ARM MEANS CARRYING A SHEAVE OVER WHICH A PORTION OF THE MARKER CHAIN PASSES, ONE OF SAID ARMS BEING CONNECTED TO SAID RAISING MEANS AND ADAPTED TO BE MOVED AWAY FROM THE OTHER OF SAID ARMS WHEN THE GROUND ENGAGING MEANS IS MOVED FROM ITS GROUND ENGAGING POSITION TO ITS ELEVATED POSITION, AND MEANS INTERCONNECTING SAID ARMS AND RESPONSIVE TO THE MOVEMENT OF SAID ONE ARM AWAY FROM THE OTHER ARM TO MOVE THE OTHER OF SAID ARMS AWAY FROM SAID ONE ARM WHEREBY THE MOVEMENT OF THE ARMS AWAY FROM EACH OTHER CAUSES THE MARKING MEANS TO BE RAISED TO ITS INOPERATIVE POSITION.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |