US3090458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for dual engine vehicles
Assignee: Individual
•
Filing: 1961-11-15
•
Granted: 1963-05-21
•
Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:36
CPC Classifications
B; B60; B60K; B60K5/00; B60K5/08; B62; B62D; B62D59/00; B62D59/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
A TRACTOR-TRAILER VEHICLE COMPRISING A TRACTOR HAVING AN ENGINE AND A TRANSMISSION CONNECTED TO THE DRIVING AXLE THEREOF, A TRAILER HAVING AN ENGINE, A THROTTLE VALVE THEREFOR AND A TRANSMISSION DRIVABLY CONNECTED TO AN AXLE FOR THE TRAILER AND INCLUDING A HYDRAULIC POWER CIRCUIT MEANS AND HAVING A DRIVING RANGE ND A NEUTRAL, MEANS RESPONSIVE TO THE SPEED OF ONE OF THE AXLES ADAPTED TO RESPECTIVELY CONDITION THE TRAILER TRANSMISSION FOR POWER FLOW AND FOR NEUTRAL BELOW AND ABOVE A PREDETERMINED SPEED OF SAID ONE AXLE, AND OTHER MEANS RESPONSIVE TO SAID ONE AXLE SPEED ADAPTED TO RETURN THE THROTTLE VALVE FROM AN ORIGINAL TO IDLING POSITION WHEN THE TRAILER TRANSMISSION SHIFTS TO NEUTRAL AND TO MOVE THE THROTTLE VALVE TO ITS ORIGINAL POSITION WHEN POWER FLOW THROUGH THE TRAILER TRANSMISSION IS RESUMED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |