Earplug for a hearing aid
USD368309S · kind S · design
20Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 1, 1994 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Mar 26, 2010 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.