Patent · US Expired

Reconfigurable toy cassette

USD306621S · kind S · design

11Cited by
11References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1988
Grant dateMar 13, 1990
Priority date
Expiry dateMar 13, 2004

Classification

  • Technology area (CPC —)General

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