Cleaning device
US10555647B2 · kind B2 · utility
5Cited by
27References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2019 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | May 23, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L13/256
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Methods and apparatus for cleaning a surface with a cleaning device having a body with a handle, a connector, and one or more cleaning heads that are removably attached to the cleaning device. Each cleaning head include a lower surface arranged to contact a surface to be cleaned and a dirt collection chamber permanently attached to the cleaning head. The cleaning head may include a support structure to support the dirt collection chamber and a cleaning sheet. The cleaning head also may include a suction nozzle. At least a portion of the dirt collection chamber may be made of a filter material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.