Patent · US Expired

Toy building block

USD285100S · kind S · design

16Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 29, 1984
Grant dateAug 12, 1986
Priority date
Expiry dateAug 12, 2000

Classification

  • Technology area (CPC —)General

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