Electrical equipment using battery as power supply and vacuum cleaner
US11311164B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Nov 2, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/009
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a main body portion, a secondary battery, an electric blower, a handle and a conductive member. The secondary battery is disposed in the main body portion. The electric blower operates by electric power supply from the secondary battery. The handle is one which a user contacts when the vacuum cleaner is used. At least a part of the conductive member is disposed at the handle and conducts static electricity generated due to operation of the electric blower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.