US3821560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixtures for boat trailers
Assignee: Individual
•
Filing: 1973-02-05
•
Granted: 1974-06-28
•
Expires: 1993-02-05
Abstract
Abstract A toggle switch arrangement is mounted on a boat trailer frame intermediate the trailer tail lights and the towing vehicle. This allows disconnection of electric current to the trailer before a boat launching or loading operation during which the back of the trailer may become immersed in water.
Inventors
- 👤 N Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:39
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/62
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
91 words
In a boat trailer, the assembly comprising: a light fixture mounted at one end thereof, lamps in said fixture adapted to shine as tail lights, turn signals and bRake lights upon functioning of the corresponding lights of a towing vehicle; a switch mounted on said trailer and having operative and inoperative positions, wires leading from the switch and connected to the lamps, and wires leading from said switch to said corresponding lights of said vehicle whereby said light fixture may be electrically switched off when said trailer becomes immersed in water.
Claim 2
Dependent Claim
91 words
In a boat trailer, the assembly comprising: a light fixture mounted at one end thereof, lamps in said fixture adapted to shine as tail lights, turn signals and bRake lights upon functioning of the corresponding lights of a towing vehicle; a switch mounted on said trailer and having operative and inoperative positions, wires leading from the switch and connected to the lamps, and wires leading from said switch to said corresponding lights of said vehicle whereby said light fixture may be electrically switched off when said trailer becomes immersed in water.
Claim 3
Dependent Claim
16 words
The assembly of claim 1, wherein said switch is a three pole single throw toggle switch.
Claim 4
Dependent Claim
16 words
The assembly of claim 1 wherein said switch is mounted on a support on said trailer.
Claim 5
Dependent Claim
29 words
The assembly of claim 1, wherein said trailer has a hollow frame and said fixture is also hollow to permit said wires to pass through said frame and fixture.
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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |