Patent · US Active

Helmet module

USD921990S1 · kind S1 · design

3Cited by
41References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 2019
Grant dateJun 8, 2021
Priority date
Expiry dateJun 8, 2036

Classification

  • Technology area (CPC —)General

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