Sit-up exercise device
USD279917S · kind S · design
3Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 4, 1983 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Jul 30, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.