Interchangeable lamp apparatus having a detachable plug
US6247829A · kind A · utility
6Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 2000 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Jan 5, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2121/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An interchangeable lamp apparatus having a detachable plug which is positionable in one of a plurality of orientations with respect to a base of the lamp apparatus. A construction of the base protects against undesired electrical shock when the plug is detached from the base whereby current can flow through the base and the lamp apparatus only when there is continuity across first contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.