Patent · US Expired

Grade leveling device for placement atop a ground stake

USD554009S1 · kind S1 · design

0Cited by
3References
1Claims
0Family size

Inventor

Key dates

Filing dateFeb 12, 2007
Grant dateOct 30, 2007
Priority date
Expiry dateOct 30, 2021

Classification

  • Technology area (CPC —)General

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