Check valve casing
USD260280S · kind S · design
29Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1978 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Aug 18, 1995 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.