Volatile substance dispenser
US5891400A · kind A · utility
32Cited by
12References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1998 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Jan 20, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V35/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A volatile substance dispenser including an inner open-top container for receiving and holding a heat source, such as a candle, and an outer open-top container for receiving and holding a gel containing a vaporizable or diffusable substance that passes from the gel into the surrounding atmosphere after exposure to the thermal energy from the lighted heat source, e.g. candle. The inner container can be glass, ceramic, earthenware or metal, preferably glass with a roughened outer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.