Patent · US Expired

Loudspeaker

USD249941S · kind S · design

14Cited by
1References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 17, 1976
Grant dateOct 17, 1978
Priority date
Expiry dateOct 17, 1992

Classification

  • Technology area (CPC —)General

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