Patent · US Expired

Vacuum water pump

USD314773S · kind S · design

4Cited by
4References
1Claims
0Family size

Inventors

Key dates

Filing dateNov 28, 1988
Grant dateFeb 19, 1991
Priority date
Expiry dateFeb 19, 2005

Classification

  • Technology area (CPC —)General

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