Patent · US Active

Subwoofer

USD894155S1 · kind S1 · design

10Cited by
13References
1Claims
0Family size

Assignee

Inventor

  • Xi Gu · Leshan City, CN

Key dates

Filing dateDec 25, 2018
Grant dateAug 25, 2020
Priority date
Expiry dateAug 25, 2035

Classification

  • Technology area (CPC —)General

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