Patent · US Expired

Applicator for continuous application of hair dye

US4958647A · kind A · utility

13Cited by
13References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1989
Grant dateSep 25, 1990
Priority date
Expiry dateFeb 7, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA45D24/22
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An applicator for the continuous application of a hair dye to the head hair of human beings, comprises a reservoir for hair dye absorbed in a first absorbent material within a tubular element, and teeth of a second absorbent material inserted into the element in a manner not contacting the first absorbent material, whereby for the transfer of the hair dye from the first absorbent material to the teeth not in contact therewith, the reservoir is connected to a rotation mechanism.

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