Patent · US Expired

Electrical converter for automotive trailers

USD331223S · kind S · design

22Cited by
9References
1Claims
0Family size

Inventor

Key dates

Filing dateMar 23, 1990
Grant dateNov 24, 1992
Priority date
Expiry dateNov 24, 2006

Classification

  • Technology area (CPC —)General

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