US3172685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer steering mechanism
Assignee: Individual
•
Filing: 1962-12-14
•
Granted: 1965-03-09
•
Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony V Mandekic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:49
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/005; Y; Y10; Y10S; Y10S280/00; Y10S280/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
IN COMBINATION, A TRACTOR, A TRAILER TRAILING THE TRACTOR AND HAVING A DRAWBAR, A STEERING ASSEMBLY ON THE TRACTOR, COMPRISING A FIRST TRAVELLER SCREW SUPPORTED AGAINST ENDWISE MOVEMENT, A FIRST TRAVELLER NUT THREADED ON THE SCREW AND HAVING A HITCH BALL TO WHICH THE DRAWBAR IS CONNECTED, DRIVER OPERATED MEANS ON THE TRACTOR FOR ROTATING THE SCREW IN OPPOSITE DIRECTIONS, SAID TRAILER HAVING STEERABLE WHEELS, A TRAILER-CARRIED STEERING ASSEMBLY COMPRISING A SECOND TRANSVERSE SCREW SUPPORTED AGAINST ENDWISE MOVEMENT, A SECOND TRAVELLER NUT THREADED ON THE SECOND SCREW, MEANS OPERATIVELY CONNECTING SAID FIRST AND SECOND SCREWS, AND BAR MEANS OPERATIVELY CONNECTED TO THE TRAVELLER NUT OF THE TRAILERCARRIED STEERING ASSEMBLY, AN OPERATIVELY CONNECTED TO THE WHEELS OF THE TRAILER.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |