Diving mask
USD290763S · kind S · design
16Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1984 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Jul 7, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.