Patent · US Expired

Puzzle

USD315751S · kind S · design

1Cited by
3References
1Claims
0Family size

Inventor

Key dates

Filing dateJan 11, 1989
Grant dateMar 26, 1991
Priority date
Expiry dateMar 26, 2005

Classification

  • Technology area (CPC —)General

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