Patent · US Active

Signaling device for eyeglasses

USD844475S1 · kind S1 · design

1Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 4, 2015
Grant dateApr 2, 2019
Priority date
Expiry dateApr 2, 2033

Classification

  • Technology area (CPC —)General

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