Patent · US Expired

Toy building element

USD309927S · kind S · design

14Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1985
Grant dateAug 14, 1990
Priority date
Expiry dateAug 14, 2004

Classification

  • Technology area (CPC —)General

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