Patent · US Expired

Ball hitch stem

USD438828S · kind S · design

4Cited by
13References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 16, 1999
Grant dateMar 13, 2001
Priority date
Expiry dateMar 13, 2015

Classification

  • Technology area (CPC —)General

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