Bulb including removable cover
US9874332B1 · kind B1 · utility
8Cited by
3References
25Claims
0Family size
Inventor
Key dates
| Filing date | Jan 15, 2013 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Mar 8, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A three-way bulb including light emitting diodes is used to achieve a variety of light output colors and/or intensities. In some embodiments, the inputs to a three-way bulb are configured to perform other functions, such as power a motor. In some embodiments, a bulb including light emitting diodes includes a replicable cover and/or a replicable LED. This cover may be configured to project images or support a shade made of a heat sensitive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.