Patent US3312301A successfully refreshed from Google Patents.
US3312301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated vehicle steering system
Assignee: International Motors LLC
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Filing: 1965-08-04
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Granted: 1967-04-04
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Marcus W Hagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:18
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/08; E02F9/0841; B; B62; B62D; B62D53/00; B62D53/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A STEERING CONTROL SYSTEM FOR A VEHICLE HAVING FIRST AND SECOND FRAME SECTIONS ARTICULATED TOGETHER ABOUT A SUBSTANTIALLY UPRIGHT AXIS AND HAVING MOTOR MEANS TO PIVOT THE FRAME SECTIONS ABOUT THE AXIS, THE COMBINATION INCLUDING: MEANS ON THE FIRST SECTION TO PRODUCE STEERING INPUT SIGNALS HAVING A SELECTED MAGNITUDE; MEANS BETWEEN THE FRAME SECTIONS OPERATING RESPONSIVE TO THE INPUT SIGNALS TO PRODUCE STEERING OUTPUT SIGNALS HAVING A MAGNITUDE PROPORTIONAL TO THE SELECTED MAGNITUDE; CONTROL MEANS ON THE SECOND SECTION OPERATING RESPONSIVE TO THE OUTPUT SIGNALS TO ACTUATE THE MOTOR MEANS AT A RATE PROPORTIONAL TO THE MAGNITUDE OF THE OUTPUT SIGNALS.
Claim 2
Dependent Claim
102 words
IN A STEERING CONTROL SYSTEM FOR A VEHICLE HAVING FIRST AND SECOND FRAME SECTIONS ARTICULATED TOGETHER ABOUT A SUBSTANTIALLY UPRIGHT AXIS AND HAVING MOTOR MEANS TO PIVOT THE FRAME SECTIONS ABOUT THE AXIS, THE COMBINATION INCLUDING: MEANS ON THE FIRST SECTION TO PRODUCE STEERING INPUT SIGNALS HAVING A SELECTED MAGNITUDE; MEANS BETWEEN THE FRAME SECTIONS OPERATING RESPONSIVE TO THE INPUT SIGNALS TO PRODUCE STEERING OUTPUT SIGNALS HAVING A MAGNITUDE PROPORTIONAL TO THE SELECTED MAGNITUDE; CONTROL MEANS ON THE SECOND SECTION OPERATING RESPONSIVE TO THE OUTPUT SIGNALS TO ACTUATE THE MOTOR MEANS AT A RATE PROPORTIONAL TO THE MAGNITUDE OF THE OUTPUT SIGNALS.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |