Patent · US Expired

Toy building element

USD312486S · kind S · design

5Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 9, 1989
Grant dateNov 27, 1990
Priority date
Expiry dateNov 27, 2004

Classification

  • Technology area (CPC —)General

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