Patent · US Expired

Chair control

USD557946S1 · kind S1 · design

23Cited by
17References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2005
Grant dateDec 25, 2007
Priority date
Expiry dateDec 25, 2021

Classification

  • Technology area (CPC —)General

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