Patent · US Expired

Vaporizing device for perfumes, insecticides and/or other volatile active substances

US4452393A · kind A · utility

8Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 1983
Grant dateJun 5, 1984
Priority date
Expiry dateMay 23, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01M1/2044
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Vaporizer device for volatile active substances such as perfumes, insecticides and other volatiles comprising an upper part having openings therein and a lower part with an absorptive slab thereon, the lower part having a capsule filled with absorptive material disposed therein and which may be removed and replaced as desired and means for maintaining the upper and lower parts in operative relationship.

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