Patent · US Expired

Automobile message sign

USD331472S · kind S · design

37Cited by
12References
1Claims
0Family size

Inventor

Key dates

Filing dateMar 19, 1990
Grant dateDec 1, 1992
Priority date
Expiry dateDec 1, 2006

Classification

  • Technology area (CPC —)General

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