Method and apparatus for helping to assure the washing of hands
US6147607A · kind A · utility
Inventor
Key dates
| Filing date | Aug 11, 1999 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Aug 11, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1443
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus are disclosed for helping to assure the washing of hands. An easily identifiable substance is provided which can be removed by washing, and a marking mechanism is coupled to the easily identifiable substance. A hand of a person is then marked with the easily identifiable substance when the marking mechanism is triggered. In one embodiment, a flush mechanism of a toilet or urinal is equipped with the marking mechanism, and the marking mechanism is triggered when a person flushes the toilet or urinal. In another embodiment, a door handle is equipped with the marking mechanism, and the marking mechanism is triggered when a person uses the door handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.