Patent · US Expired

Hopper for granulated materials

USD431889S · kind S · design

8Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1999
Grant dateOct 10, 2000
Priority date
Expiry dateOct 10, 2014

Classification

  • Technology area (CPC —)General

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