Sealing ring for sealing jointed pipes
USD347885S · kind S · design
31Cited by
18References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 15, 1990 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Jun 14, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.