Patent · US Expired

Floor scrubbing machine

USD338291S · kind S · design

4Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1990
Grant dateAug 10, 1993
Priority date
Expiry dateAug 10, 2007

Classification

  • Technology area (CPC —)General

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