Patent · US Expired

Water purifier unit

USD301913S · kind S · design

8Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1987
Grant dateJun 27, 1989
Priority date
Expiry dateJun 27, 2003

Classification

  • Technology area (CPC —)General

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