Patent · US Expired

Dental measuring instrument

US4843720A · kind A · utility

41Cited by
10References
6Claims
0Family size

Inventor

Key dates

Filing dateJun 6, 1988
Grant dateJul 4, 1989
Priority date
Expiry dateJun 6, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/6819
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A dual purpose instrument having parts to measure the width of the nose and parts to measure the vertical distance from the underside of the chin to the underside of the nose, for use in making dentures.

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