Patent · US Active

Audio listening system

USD734744S1 · kind S1 · design

74Cited by
40References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2014
Grant dateJul 21, 2015
Priority date
Expiry dateJul 21, 2029

Classification

  • Technology area (CPC —)General

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