Locking separable coupling for sewer snakes or the like
USD289575S · kind S · design
4Cited by
6References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 8, 1984 |
| Grant date | Apr 28, 1987 |
| Priority date | — |
| Expiry date | Apr 28, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.