Patent · US Expired

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USD249300S · kind S · design

30Cited by
7References
1Claims
0Family size

Inventors

Key dates

Filing dateOct 20, 1976
Grant dateSep 12, 1978
Priority date
Expiry dateSep 12, 1992

Classification

  • Technology area (CPC —)General

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