Patent · US Expired

Flush valve for toilets

USD309938S · kind S · design

14Cited by
11References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 1986
Grant dateAug 14, 1990
Priority date
Expiry dateAug 14, 2004

Classification

  • Technology area (CPC —)General

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