Patent · US Expired

Bypass valve for a liquid treatment tank

USD337633S · kind S · design

10Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1991
Grant dateJul 20, 1993
Priority date
Expiry dateJul 20, 2007

Classification

  • Technology area (CPC —)General

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