Gate valve
USD292820S · kind S · design
15Cited by
12References
1Claims
0Family size
Inventor
Key dates
| Filing date | Sep 2, 1983 |
| Grant date | Nov 17, 1987 |
| Priority date | — |
| Expiry date | Nov 17, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.