US3096844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering and follow-up linkage assembly
Assignee: Unit Rig and Equipment Co
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Filing: 1961-04-20
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Granted: 1963-07-09
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Expires: 1981-04-20
Abstract
No abstract record available.
Inventors
- 👤 Richard L Sittel
- 👤 Jerry A Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:03
CPC Classifications
B; B62; B62D; B62D12/00; B62D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A VEHICLE COMPRISING A TRACTOR AND A TRAILER, A STEERING ASSEMBLY COMPRISING STEERING MEANS CARRIED BY THE TRACTOR, A FOLLOW-UP LINKAGE ASSEMBLY INTERPOSED BETWEEN THE TRAILER AND THE STEERING MEANS, SAID FOLLOW-UP LINKAGE ASSEMBLY COMPRISING A PAIR OF LINKAGE ASSEMBLIES RESPONSIVE TO TURNING OF THE TRACTOR WITH RESPECT TO THE TRAILER BY THE STEERING MEANS FOR RESTORING NORMAL DRIVING CONDITIONS TO THE VEHICLE, SAID FOLLOW-UP LINKAGE ASSEMBLY PROVIDED WITH MEANS INTERPOSED BETWEEN THE LINKAGE ASSEMBLIES AND DISPOSED ON THE AXIS OF OSCILLATION OF THE TRAILER TO ISOLATE ANY SELF-STEERING ACTION DUE TO THE OSCILLATION OF THE TRACTOR.
Claim 2
Dependent Claim
98 words
IN A VEHICLE COMPRISING A TRACTOR AND A TRAILER, A STEERING ASSEMBLY COMPRISING STEERING MEANS CARRIED BY THE TRACTOR, A FOLLOW-UP LINKAGE ASSEMBLY INTERPOSED BETWEEN THE TRAILER AND THE STEERING MEANS, SAID FOLLOW-UP LINKAGE ASSEMBLY COMPRISING A PAIR OF LINKAGE ASSEMBLIES RESPONSIVE TO TURNING OF THE TRACTOR WITH RESPECT TO THE TRAILER BY THE STEERING MEANS FOR RESTORING NORMAL DRIVING CONDITIONS TO THE VEHICLE, SAID FOLLOW-UP LINKAGE ASSEMBLY PROVIDED WITH MEANS INTERPOSED BETWEEN THE LINKAGE ASSEMBLIES AND DISPOSED ON THE AXIS OF OSCILLATION OF THE TRAILER TO ISOLATE ANY SELF-STEERING ACTION DUE TO THE OSCILLATION OF THE TRACTOR.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |