US3349631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front axle and pto shaft
Assignee: Colts Manufacturing Co Inc
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Filing: 1966-02-21
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Granted: 1967-10-31
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 William J Schlapman
- 👤 Elmer E Croisant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:29
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ATTACHMENT DRIVE FOR A TRACTOR HAVING A FRAME, AN ENGINE CARRIED ON THE FRAME, STEERING AND TRACTION WHEELS, AND FRONT AND REAR AXLES, SAID ATTACHMENT DRIVE INCLUDING A DRIVING SHEAVE CONNECTED TO SAID ENGINE ON THE FRONT THEREOF, DRIVING MEANS ROTATABLY SUPPORTED FROM SAID FRONT AXLE, A DRIVEN SHEAVE ON SAID DRIVING MEANS ALIGNED WITH SAID DRIVING SHEAVE, AND MEANS DRIVINGLY CONNECTED TO SAID DRIVING AND DRIVEN SHEAVES, SAID DRIVING MEANS BEING POSITIONED SUCH THAT SAID DRIVING MEANS REMAINS SUBSTANTIALLY IN A PREDETERMINED POSITIONS WHEN EITHER ONE OF THE WHEELS IS RAISED OR LOWERED.
Claim 2
Dependent Claim
95 words
AN ATTACHMENT DRIVE FOR A TRACTOR HAVING A FRAME, AN ENGINE CARRIED ON THE FRAME, STEERING AND TRACTION WHEELS, AND FRONT AND REAR AXLES, SAID ATTACHMENT DRIVE INCLUDING A DRIVING SHEAVE CONNECTED TO SAID ENGINE ON THE FRONT THEREOF, DRIVING MEANS ROTATABLY SUPPORTED FROM SAID FRONT AXLE, A DRIVEN SHEAVE ON SAID DRIVING MEANS ALIGNED WITH SAID DRIVING SHEAVE, AND MEANS DRIVINGLY CONNECTED TO SAID DRIVING AND DRIVEN SHEAVES, SAID DRIVING MEANS BEING POSITIONED SUCH THAT SAID DRIVING MEANS REMAINS SUBSTANTIALLY IN A PREDETERMINED POSITIONS WHEN EITHER ONE OF THE WHEELS IS RAISED OR LOWERED.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |