Patent · US Expired

Toy building block

USD281263S · kind S · design

3Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1983
Grant dateNov 5, 1985
Priority date
Expiry dateNov 5, 1999

Classification

  • Technology area (CPC —)General

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