Patent · US Expired

Tooth shade guide

US6354835B1 · kind B1 · utility

2Cited by
7References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 3, 2000
Grant dateMar 12, 2002
Priority date
Expiry dateNov 3, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D5/4233
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A tooth shade guide device and package combination comprises a device frangibly attached to the package.

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