Combined pipe coupler and plug
USD336681S · kind S · design
4Cited by
12References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1990 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Jun 22, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.