Patent · US Expired

Activity bar for safety chair with wheel

USD393018S · kind S · design

5Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1997
Grant dateMar 31, 1998
Priority date
Expiry dateMar 31, 2012

Classification

  • Technology area (CPC —)General

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