Hand operated vacuum exhauster
USD264753S · kind S · design
1Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Feb 11, 1980 |
| Grant date | Jun 1, 1982 |
| Priority date | — |
| Expiry date | Jun 1, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.