Face shield
USD247580S · kind S · design
8Cited by
2References
1Claims
0Family size
Inventor
Key dates
| Filing date | Oct 6, 1975 |
| Grant date | Mar 21, 1978 |
| Priority date | — |
| Expiry date | Mar 21, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.