Valve actuator
USD322657S · kind S · design
13Cited by
13References
1Claims
0Family size
Inventors
Key dates
| Filing date | Dec 8, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Dec 24, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.