Patent · US Expired

Tank mixture proportioning gauge

USD293087S · kind S · design

6Cited by
8References
1Claims
0Family size

Inventor

Key dates

Filing dateMar 28, 1985
Grant dateDec 8, 1987
Priority date
Expiry dateDec 8, 2001

Classification

  • Technology area (CPC —)General

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