US3588145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hitch
Assignee: Individual
•
Filing: 1969-02-25
•
Granted: 1971-06-28
•
Expires: 1989-02-25
Abstract
Abstract A TRAILER HITCH IS PROVIDED WITH GUIDE MEANS TO FACILITATE THE AUTOMATIC COUPLING THEREOF COMPRISING A SLOPING GUIDE PLATE SECURED TO THE VEHICLE PORTION OF THE TRAILER HITCH FOR GUIDING THE CONNECTING ELEMENT ON THE TRAILER PORTION INTO MATING RELATIONSHIP WITH THE CONNECTING ELEMENT SECURED TO THE VEHICLE AS THE VEHICLE BACKS INTO POSITION. THE TRAILER HITCH IS ALSO PROVIDED WITH A SAFETY LOAD EQUALIZING DEVICE AND DRAFT-STABILIZING MEANS AS WELL AS ANTI JACKNIFE DEVICE,
Inventors
- 👤 Woodrow F Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:10
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/586; B60D1/01; B60D1/06; B60D1/065; B60D1/24; B60D1/30; B60D1/32; B60D1/34; B60D1/345; B60D1/36; B60D1/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |