Patent · US Expired

Microphone

USD447131S · kind S · design

64Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2000
Grant dateAug 28, 2001
Priority date—
Expiry dateAug 28, 2015

Classification

  • Technology area (CPC —)General

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