US3863594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat trailer backup guide
Assignee: Individual
•
Filing: 1973-08-06
•
Granted: 1975-02-04
•
Expires: 1993-08-06
Abstract
Abstract A guide device adapted to be fixedly secured to the rear portion of a boat trailer or the like which enables the driver of a towing vehicle to observe the position of the trailer when there is no boat thereon. The device is manually movable between raised and lowered positions, detent means maintaining the device in its raised position and the device being beneath the supporting portions of the trailer when in its stored position.
Inventors
- 👤 Theo C Gawthrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:52
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/30; B60Q1/305; B60P; B60P3/00; B60P3/06; B60P3/10; B62; B62D; B62D13/00; B62D13/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
161 words
In combination with a boat trailer including a frame having front and rear ends, a pair of laterally spaced, parallel, longitudinally extending skid elements having front and rear ends for supporting a boat thereon, and laterally extending frame members connecting said skid elements adjacent their respective front and rear ends; a backup guide device comprising a mounting bracket secured to the laterally extending rear end member and between said skid elements, an elongated rod having opposite ends, one of said rod ends being pivotally connected to said bracket for manual movement of said rod only in the direction fore and aft of said frame between a first position extending generally vertically upwardly from said frame and a second position extending forwardly from said member between said skid elements beneath and spaced from a boat thereon, resilient detent means on said bracket for maintaining said rod in said first position thereof, and a flag element on the other of said rod ends.
Claim 2
Dependent Claim
161 words
In combination with a boat trailer including a frame having front and rear ends, a pair of laterally spaced, parallel, longitudinally extending skid elements having front and rear ends for supporting a boat thereon, and laterally extending frame members connecting said skid elements adjacent their respective front and rear ends; a backup guide device comprising a mounting bracket secured to the laterally extending rear end member and between said skid elements, an elongated rod having opposite ends, one of said rod ends being pivotally connected to said bracket for manual movement of said rod only in the direction fore and aft of said frame between a first position extending generally vertically upwardly from said frame and a second position extending forwardly from said member between said skid elements beneath and spaced from a boat thereon, resilient detent means on said bracket for maintaining said rod in said first position thereof, and a flag element on the other of said rod ends.
Claim 3
Dependent Claim
31 words
The device of claim 1 wherein said backup guide rod is of such length to permit viewing said flat element from a towing vehicle as the vehicle is backing said trailer.
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) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |