Patent · US Expired

Sheath for temperature sensing unit

US4224955A · kind A · utility

5Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1979
Grant dateSep 30, 1980
Priority date
Expiry dateFeb 7, 1999

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA45D2/12
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A sheath for holding a temperature sensing unit in place in the hair wrapped around a curling rod, comprising a top elongated channel portion, a pair opposed downwardly and outwardly projecting curved wings connected to the channel, the radius of curvature of the wings increasing with the distance from the channel and a hollowed out portion below the channel.

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