US3246714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated modular vehicle
Assignee: International Motors LLC
•
Filing: 1962-03-08
•
Granted: 1966-04-19
•
Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Tommy A Middlesworth
- 👤 Jack B Findlay
- 👤 Richard R Steingas
- 👤 William H Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:30
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/02; B62D53/00; B62D53/005; Y; Y10; Y10S; Y10S280/00; Y10S280/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A VEHICLE TRAIN INCLUDING A LEAD VEHICLE HAVING A MAIN SUPPLY LINE FOR PASSING FLUID FROM A PUMP OPERATING AT A GIVEN PRESSURE AND DISPLACEMENT TO AT LEAST ONE FLUID MOTOR, AND A TRAILING VEHICLE COUPLED TO SAID LEAD VEHICLE AND ALSO INCLUDING A FLUID LINE FOR NORMALLY TRANSFERRING FLUID FROM A PUMP OPERATING AT A PRESSURE AND DISPLACEMENT LESS THAN SAID GIVEN PRESSURE AND DISPLACEMENT TO AT LEAST ONE FLUID MOTOR IN SAID TRAILING VEHICLE, THE PUMP IN SAID TRAILING VEHICLE HAVING A CONTROL ELEMENT FOR REGULATING ITS DISPLACEMENT, THE IMPROVEMENT WHICH COMPRISES: A DIFFERENTIAL UNIT, COUPLED TO SAID CONTROL ELEMENT OF THE PUMP IN SAID TRAILING VEHICLE AND ALSO COUPLED TO SAID FLUID LINE IN THE TRAILING VEHICLE, FOR REGULATING THE POSITION OF SAID CONTROL ELEMENT TO PROVIDE
Claim 2
Dependent Claim
131 words
IN A VEHICLE TRAIN INCLUDING A LEAD VEHICLE HAVING A MAIN SUPPLY LINE FOR PASSING FLUID FROM A PUMP OPERATING AT A GIVEN PRESSURE AND DISPLACEMENT TO AT LEAST ONE FLUID MOTOR, AND A TRAILING VEHICLE COUPLED TO SAID LEAD VEHICLE AND ALSO INCLUDING A FLUID LINE FOR NORMALLY TRANSFERRING FLUID FROM A PUMP OPERATING AT A PRESSURE AND DISPLACEMENT LESS THAN SAID GIVEN PRESSURE AND DISPLACEMENT TO AT LEAST ONE FLUID MOTOR IN SAID TRAILING VEHICLE, THE PUMP IN SAID TRAILING VEHICLE HAVING A CONTROL ELEMENT FOR REGULATING ITS DISPLACEMENT, THE IMPROVEMENT WHICH COMPRISES: A DIFFERENTIAL UNIT, COUPLED TO SAID CONTROL ELEMENT OF THE PUMP IN SAID TRAILING VEHICLE AND ALSO COUPLED TO SAID FLUID LINE IN THE TRAILING VEHICLE, FOR REGULATING THE POSITION OF SAID CONTROL ELEMENT TO PROVIDE
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |