Patent · US Expired

Screw driving attachment

USD440137S · kind S · design

4Cited by
19References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2000
Grant dateApr 10, 2001
Priority date
Expiry dateApr 10, 2015

Classification

  • Technology area (CPC —)General

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