Patent · US Expired

Interlocking barrier

USD552250S1 · kind S1 · design

22Cited by
14References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2005
Grant dateOct 2, 2007
Priority date
Expiry dateOct 2, 2021

Classification

  • Technology area (CPC —)General

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