Patent · US Expired

Loudspeaker

USD249684S · kind S · design

40Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 7, 1976
Grant dateSep 26, 1978
Priority date
Expiry dateSep 26, 1992

Classification

  • Technology area (CPC —)General

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