Patent · US Expired

Vapor dipensing device

US5647053A · kind A · utility

143Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 11, 1995
Grant dateJul 8, 1997
Priority date
Expiry dateOct 11, 2015

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01M1/2077
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A vapor dispensing device having an outer shell (10); a one piece electric plug heater block (40) having attached electric plug pins (48), the block being attached to the outer shell such that the block can rotate a predetermined amount around an axis parallel to the plug pins; and a wick (36) in fluid communication with a material to be dispensed and extending into an opening (52) through the block; wherein the opening has a shape defined by the rotation through an internal angle at least equal to the predetermined amount of rotation of a solid geometric shape transverse to the axis and wherein the block has an electric heating element (60) in close proximity to the opening.

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