Patent · US Expired

Chair back

USD421540S · kind S · design

10Cited by
35References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1999
Grant dateMar 14, 2000
Priority date
Expiry dateMar 14, 2014

Classification

  • Technology area (CPC —)General

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