Key hole light illuminator
US4310873A · kind A · utility
12Cited by
1References
5Claims
0Family size
Inventor
Key dates
| Filing date | Mar 24, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Mar 24, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A structure for mounting adjacent a key hole, having means therein for illuminating said key hole. The outside cover provides a large area contact surface for activating the light. The circuitry is updated electronic components to provide a touch contact switch and a short period timer. The battery is a voltage cell and the light is a light emitting diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.