Apparatus for cleaning a surface
US10821459B2 · kind B2 · utility
0Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2014 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/2481
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for cleaning a surface includes a liquid delivery system for storing cleaning liquid and delivering the cleaning liquid to the surface to be cleaned, and an indicator system that is operably coupled with the liquid delivery system to indicate an operational status to the user operating the apparatus. The indicator system can include a light emitter that illuminates when an operational status is detected. The light emitter can illuminate the container storing cleaning liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.