Piano and computer keyboard
USD510747S1 · kind S1 · design
11Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2004 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Oct 18, 2019 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.