US3343501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-steering and self-propelled farm vehicle
Assignee: Individual
•
Filing: 1965-06-29
•
Granted: 1967-09-26
•
Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 Francis H Banderet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:23
CPC Classifications
B; B62; B62D; B62D1/00; B62D1/24; B62D1/26; A; A01; A01B; A01B69/00; A01B69/007; A01B69/008; A01G; A01G25/00; A01G25/09; A01G25/097
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A HYDRAULICALLY-OPERATED FRONT WHEEL DRIVE FOR USE ON FARM TRACTORS OF THE TYPE HAVING AN INTERNAL COMBUSTION ENGINE, A PAIR OF REAR DRIVE WHEELS POWERED BY THE ENGINE, A MAIN TRANSMISSION OPERATIVE IN ENGAGED POSITION TO PROPEL THE VEHICLE AT MODERATE HIGHWAY SPEEDS AND IN NEUTRAL POSITION TO DISENGAGE THE REAR WHEELS FROM THE ENGINE, A PAIR OF STEERABLE FRONT WHEELS, AND A HYDRAULIC SYSTEM INCLUDING A PUMP AND RESERVOIR OPERATED BY THE ENGINE, WHICH COMPRISES: A FRONT DIFFERENTIAL CONNECTED IN DRIVING RELATION TO THE FRONT STEERABLE WHEELS, A HYDRAULIC MOTOR CONNECTED TO RECEIVE FLUID FROM THE HYDRAULIC SYSTEM AND PRODUCE A SECONDARY SOURCE OF ROTATIONAL DRIVE POWER, A SPEED REDUCER DRIVE TRAIN OPERATIVE BY INTERCONNECTING THE HYDRAULIC MOTOR AND FRONT DIFFERENTIAL IN DRIVING RELATION, AND A SECOND TRANSMISSION CONNECTED INTO THE DRIVE TRAIN, SAID TRANSMISSION HAVING AN ENGAGED POSITION OPERATIVE TO TRANSMIT ROTATIONAL DRIVE POWER FROM THE HYDRAULIC MOTOR TO THE FRONT WHEELS AND A NEUTRAL POSITION OPERATIVE TO DISENGAGE THE FRONT WHEEL DRIVE THUS RETURNING CONTROL OF THE VEHICLE TO THE REAR WHEEL DRIVE.
Claim 2
Dependent Claim
176 words
A HYDRAULICALLY-OPERATED FRONT WHEEL DRIVE FOR USE ON FARM TRACTORS OF THE TYPE HAVING AN INTERNAL COMBUSTION ENGINE, A PAIR OF REAR DRIVE WHEELS POWERED BY THE ENGINE, A MAIN TRANSMISSION OPERATIVE IN ENGAGED POSITION TO PROPEL THE VEHICLE AT MODERATE HIGHWAY SPEEDS AND IN NEUTRAL POSITION TO DISENGAGE THE REAR WHEELS FROM THE ENGINE, A PAIR OF STEERABLE FRONT WHEELS, AND A HYDRAULIC SYSTEM INCLUDING A PUMP AND RESERVOIR OPERATED BY THE ENGINE, WHICH COMPRISES: A FRONT DIFFERENTIAL CONNECTED IN DRIVING RELATION TO THE FRONT STEERABLE WHEELS, A HYDRAULIC MOTOR CONNECTED TO RECEIVE FLUID FROM THE HYDRAULIC SYSTEM AND PRODUCE A SECONDARY SOURCE OF ROTATIONAL DRIVE POWER, A SPEED REDUCER DRIVE TRAIN OPERATIVE BY INTERCONNECTING THE HYDRAULIC MOTOR AND FRONT DIFFERENTIAL IN DRIVING RELATION, AND A SECOND TRANSMISSION CONNECTED INTO THE DRIVE TRAIN, SAID TRANSMISSION HAVING AN ENGAGED POSITION OPERATIVE TO TRANSMIT ROTATIONAL DRIVE POWER FROM THE HYDRAULIC MOTOR TO THE FRONT WHEELS AND A NEUTRAL POSITION OPERATIVE TO DISENGAGE THE FRONT WHEEL DRIVE THUS RETURNING CONTROL OF THE VEHICLE TO THE REAR WHEEL DRIVE.
References Cited (Backward Citations)
US1868360A
Cited
US3181478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |