Headband earplugs
USD292530S · kind S · design
19Cited by
14References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 22, 1985 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | Oct 27, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.