Electronic musical instrument keyboard
USD278154S · kind S · design
10Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1982 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Mar 26, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.