Ladder with water sensing lights
US10189548B1 · kind B1 · utility
2Cited by
26References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2017 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Sep 27, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S41/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A ladder for a boat includes a rail configured to be coupled to the boat and a rung supported by the rail. A light source is coupled to at least one of the rung and the rail. A power source provides electrical power to the light source, and a water sensor controls provision of the electrical power to the light source. The electrical power is provided to the light source and the light source is illuminated in response to the water sensor sensing water. A lighted rung for a boat ladder is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.