Breathing circuit filter
USD267117S · kind S · design
17Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1980 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Nov 30, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.