Battery powered suction broom
USD290895S · kind S · design
23Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Jul 14, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.