Vacuum cleaner
USD274381S · kind S · design
21Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1982 |
| Grant date | Jun 19, 1984 |
| Priority date | — |
| Expiry date | Jun 19, 1998 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.