Patent · US Expired

Sump-riser housing or the like

USD322970S · kind S · design

24Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 21, 1990
Grant dateJan 7, 1992
Priority date
Expiry dateJan 7, 2006

Classification

  • Technology area (CPC —)General

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