Combined pressure and thermal safety valve
USD321241S · kind S · design
10Cited by
14References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1988 |
| Grant date | Oct 29, 1991 |
| Priority date | — |
| Expiry date | Oct 29, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.