Patent · US Expired

Battery charger amusement device

US7259541B2 · kind B2 · utility

4Cited by
27References
8Claims
0Family size

Inventors

Key dates

Filing dateApr 18, 2006
Grant dateAug 21, 2007
Priority date
Expiry dateApr 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.