Full-face respirator lens
USD426298S · kind S · design
15Cited by
29References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1998 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Jun 6, 2014 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.