US3390735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering systems for vehicles with two steerable tractor units
Assignee: Caterpillar Inc
•
Filing: 1965-10-23
•
Granted: 1968-07-02
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Jackson C Medley
- 👤 Donald L Smith
- 👤 James P Mueller
- 👤 James M Kostas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:54
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422813A
Cited
US2392985A
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US2494324A
Cited
US2674333A
Cited
US2614644A
Cited
US2883774A
Cited
US3078942A
Cited
US3151694A
Cited
US3092201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |