Patent · US Expired

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USD421812S · kind S · design

3Cited by
16References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1999
Grant dateMar 21, 2000
Priority date
Expiry dateMar 21, 2014

Classification

  • Technology area (CPC —)General

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