Patent · US Expired

Vacuum cleaner

USD339433S · kind S · design

25Cited by

7References

1Claims

0Family size

Assignee

STEIN & CO. GmbH · DE

Inventors

Klaus Stein · Velbert, DE
Heinz Kaulig · Velbert, DE

Key dates

Filing date	Aug 22, 1991
Grant date	Sep 14, 1993
Priority date	—
Expiry date	Sep 14, 2007

Classification

Technology area (CPC —)General

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