Patent · US Active

Apparatus for reproduction of sound

USD869425S1 · kind S1 · design

6Cited by
15References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 22, 2017
Grant dateDec 10, 2019
Priority date
Expiry dateDec 10, 2034

Classification

  • Technology area (CPC —)General

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