Multiple control element unit for data processing apparatus
USD291806S · kind S · design
4Cited by
0References
1Claims
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Key dates
| Filing date | Oct 24, 1984 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Sep 8, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.