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Rechargeable vacuum cleaner

  • US 20070136984A1
  • Filed: 12/15/2005
  • Published: 06/21/2007
  • Est. Priority Date: 12/15/2005
  • Status: Abandoned Application
First Claim
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1. A rechargeable vacuum cleaner, comprising:

  • a main body;

    at least two sets of rechargeable batteries for driving a motor located within said main body; and

    a power-supply control unit coupled with said sets of rechargeable batteries and said motor for controlling said sets of rechargeable batteries powering said motor.

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