Industrial vacuum cleaner
USD374749S · kind S · design
4Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1993 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Oct 15, 2010 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.