Patent · US Expired

Screwdriver for interchangeable bits

USD418731S · kind S · design

39Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1999
Grant dateJan 11, 2000
Priority date
Expiry dateJan 11, 2014

Classification

  • Technology area (CPC —)General

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