Patent · US Expired

Folding keyboard pad

USD254554S · kind S · design

26Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 23, 1978
Grant dateMar 25, 1980
Priority date
Expiry dateMar 25, 1994

Classification

  • Technology area (CPC —)General

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