Air freshener dispenser device with disposable heat-promoted cartridge
US5903710A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1997 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Apr 14, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M1/2077
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention provides an air freshener dispenser device comprising (1) a disposable air freshener cartridge, (2) a disposable electrical plug housing, and (3) a reusable electrical plug for engaging a wall electrical outlet. The cartridge has an elongated thermoplastic hollow body configuration with a sealed internal reservoir chamber of liquid air freshener medium, and the upper section of the cartridge body is shaped to a flat shallow extension of the cartridge chamber. An electrical-resistance heating element is affixed on the inner surface of the cartridge chamber shallow extension. A thin wick matrix extends internally from the cartridge chamber bottom up to the top of the chamber shallow extension. The cartridge has an integrally structured means adapted for removal of a top portion of the cartridge chamber shallow extension to expose an upper section of wick matrix to the atmosphere. The disposable electrical plug housing is detachably secured and positioned in front of the cartridge and proximate to the cartridge heating element. The plug housing has two short metal blades which extend through the cartridge vertical slots and engage the reusable electrical plug for conduc…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.