Patent · US Expired

Chair back upright

USD547978S1 · kind S1 · design

22Cited by
31References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2006
Grant dateAug 7, 2007
Priority date
Expiry dateAug 7, 2021

Classification

  • Technology area (CPC —)General

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