Orthopedic unit or the like for relief of back ailment
USD310882S · kind S · design
8Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 8, 1987 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Sep 25, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.