Usage indicator
US7232043B2 · kind B2 · utility
7Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 2003 |
| Grant date | Jun 19, 2007 |
| Priority date | — |
| Expiry date | Dec 22, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/108
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A substance dispensing device associated with a usage indicator is disclosed. The device includes a substance storage container and a pump operable to dispense substance from the container. The usage indicator includes a movable member that is movable in response to operation of the pump. The movable member includes an indicator providing a visual indication of the extent to which substance has been dispensed from the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.