Patent · US Expired

Gear construction toy

USD330052S · kind S · design

28Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 1990
Grant dateOct 6, 1992
Priority date
Expiry dateOct 6, 2006

Classification

  • Technology area (CPC —)General

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