Patent · US Active

Device for reproduction of sound

USD947806S1 · kind S1 · design

3Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 26, 2019
Grant dateApr 5, 2022
Priority date
Expiry dateApr 5, 2037

Classification

  • Technology area (CPC —)General

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