Self-cleaning features for extraction cleaners
US11191414B2 · kind B2 · utility
3Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2020 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Feb 21, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L11/4094
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Self-cleaning features for extraction cleaners and attachments for extraction cleaners, such as accessory tools, wands, and/or hoses, are provided. The self-cleaning features are configured redirect cleaning fluid from a fluid supply system of the extraction cleaner into a working air or fluid recovery path of the extraction cleaner, including, but not limited to into the working air or fluid recovery path of a tool, wand, and/or hose of the extraction cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.