Patent · US Expired

Vacuum cleaner upper portion

USD391702S · kind S · design

19Cited by
21References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 1997
Grant dateMar 3, 1998
Priority date
Expiry dateMar 3, 2012

Classification

  • Technology area (CPC —)General

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