Pump assembly for supplying air to a respirator, or the like
USD295046S · kind S · design
13Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1985 |
| Grant date | Apr 5, 1988 |
| Priority date | — |
| Expiry date | Apr 5, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.