Ultraviolet lamp for use in water purifiers
US7604505B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2008 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Feb 15, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S439/934
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp base may include a cylindrical body having an end surface, a first step portion and a second step portion, a first upper pin connector provided on the first step portion, a second upper pin connector provided on the second step portion, and a first and second lower pin connector provided on the end surface. Interfitting keys and recesses may also be used to insure that a lamp base is only coupled to an appropriate socket. Adapter blocks may be used to apply such recesses to an existing lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.