Patent · US Expired

Chlorine dispenser for swimming pools

USD309493S · kind S · design

40Cited by
12References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 16, 1988
Grant dateJul 24, 1990
Priority date
Expiry dateJul 24, 2004

Classification

  • Technology area (CPC —)General

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