Patent · US Expired

Floor maintenance machine

USD273622S · kind S · design

20Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1982
Grant dateApr 24, 1984
Priority date
Expiry dateApr 24, 1998

Classification

  • Technology area (CPC —)General

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