Patent · US Expired

Automobile plug-in air freshener with rotatable switch and vaporizer

US5373581A · kind A · utility

45Cited by
9References
2Claims
0Family size

Inventor

Key dates

Filing dateNov 22, 1993
Grant dateDec 13, 1994
Priority date
Expiry dateNov 22, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S261/89
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An automobile plug-in air freshener with a main body portion in a cylindrical configuration having an open outboard end and a closed inboard end and pluggable into an electrical cigarette lighter socket of a vehicle. An extension portion has a cone shaped interior component rotatably positioned outboardly of the open end of the cylinder with an interior edge in a cylindrical configuration positioned rotatably in the outboard end of the main body portion with an exterior component in a rectangular configuration constituting a housing with an opened inboard end and louvers at the outboard end and a slot along an upper intermediate extent. A generally planar refill container in a rectangular configuration is removably positionable within the slot of the rectangular housing, the refill container having a fragrance therein activated by heat. A heating element is located within the main body portion adjacent to the outboard open end is energized by a switch actuated by rotation of the extension portion to heat the fragrance within the refill cartridge for disseminating a fragrance and freshening the adjacent air.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.