Welding helmet
USD835352S1 · kind S1 · design
9Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2016 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | Dec 4, 2033 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.