Patent · US Expired

Safety hook locking device for towing chains

USD404347S · kind S · design

9Cited by
4References
1Claims
0Family size

Inventor

Key dates

Filing dateMay 13, 1997
Grant dateJan 19, 1999
Priority date
Expiry dateJan 19, 2013

Classification

  • Technology area (CPC —)General

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