Battery charger amusement device
US7259541B2 · kind B2 · utility
4Cited by
27References
8Claims
0Family size
Inventors
Key dates
| Filing date | Apr 18, 2006 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Apr 18, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0044
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A battery charger amusement has a receptacle adapted to receive a rechargeable battery, an electronic circuit monitoring battery charge status, and a mechanical movement signal activated upon charge status attainment. The battery charger can include a motion actuator so as to move during the battery recharge process. The device is intended to encourage the use of rechargeable batteries over a disposable counterpart.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.