Diver's mask
USD266031S · kind S · design
14Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 6, 1979 |
| Grant date | Sep 7, 1982 |
| Priority date | — |
| Expiry date | Sep 7, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.