Patent US3269218A successfully refreshed from Google Patents.
US3269218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering mechanisms
Assignee: Individual
•
Filing: 1964-05-11
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Granted: 1966-08-30
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Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:55
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A VEHICLE STEERING SYSTEM COMPRISING A DIFFERENTIAL GEAR HAVING AN INPUT MEMBER FOR CONNECTION TO A POWER SOURCE AND TWO OUTPUT MEMBERS CONNECTED FOR DIFFERENTIAL ROTATION BY THE GEAR, TWO VEHICLE DRIVING MEMBERS WHICH ARE OPERATIVELY CONNECTED RESPECTIVELY TO THE SAID TWO OUTPUT MEMBERS AND WHICH ROTATE AT DIFFERENT SPEEDS FOR STEERING THE VEHICLE ON OTHER THAN A STRAIGHT COURSE, A VARIABLE SPEED RATIO DEVICE HAVING TWO DEVICE MEMBERS AND MEANS FOR CHANGING THE RELATIVE SPEED OF ROTATION OF THE SAID DEVICE MEMBERS, MEANS OPERATIVELY CONNECTING THE SAID DEVICE MEMBERS RESPECTIVELY TO THE TWO DIFFERENTIAL GEAR OUTPUT MEMBERS, AND VEHICLE STEERING MEANS OPERATIVELY CONNECTED TO THE VARIABLE RATIO DEVICE FOR CHANGING THE RELATIVE SPEED OF ROTATION OF SAID DEVICE MEMBERS.
Claim 2
Dependent Claim
120 words
A VEHICLE STEERING SYSTEM COMPRISING A DIFFERENTIAL GEAR HAVING AN INPUT MEMBER FOR CONNECTION TO A POWER SOURCE AND TWO OUTPUT MEMBERS CONNECTED FOR DIFFERENTIAL ROTATION BY THE GEAR, TWO VEHICLE DRIVING MEMBERS WHICH ARE OPERATIVELY CONNECTED RESPECTIVELY TO THE SAID TWO OUTPUT MEMBERS AND WHICH ROTATE AT DIFFERENT SPEEDS FOR STEERING THE VEHICLE ON OTHER THAN A STRAIGHT COURSE, A VARIABLE SPEED RATIO DEVICE HAVING TWO DEVICE MEMBERS AND MEANS FOR CHANGING THE RELATIVE SPEED OF ROTATION OF THE SAID DEVICE MEMBERS, MEANS OPERATIVELY CONNECTING THE SAID DEVICE MEMBERS RESPECTIVELY TO THE TWO DIFFERENTIAL GEAR OUTPUT MEMBERS, AND VEHICLE STEERING MEANS OPERATIVELY CONNECTED TO THE VARIABLE RATIO DEVICE FOR CHANGING THE RELATIVE SPEED OF ROTATION OF SAID DEVICE MEMBERS.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |