Spectacle frame for measuring bio-signal
USD771735S1 · kind S1 · design
32Cited by
29References
1Claims
0Family size
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Key dates
| Filing date | Jul 23, 2015 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.