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Multicolor pen

  • US 20060244805A1
  • Filed: 04/27/2005
  • Published: 11/02/2006
  • Est. Priority Date: 04/27/2005
  • Status: Abandoned Application
First Claim
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1. A multicolor pen, comprising:

  • an attachable and detachable pen body;

    a plurality of control buttons and a screen mounted on the periphery of said pen body;

    a refill mounted at the front end of said pen body;

    a pen nib connected to said refill; and

    a control circuit, a battery, and at least two independent different color ink cartridges mounted in said pen body, wherein said control buttons and said screen are electrically connected with said control circuit by which a flow control valve is controlled, and said ink cartridges are connected with said refill via said flow control valve such that said control circuit controls said flow control valve by operation of said control buttons and confirming operation of said screen so as to mix up inks stored in said ink cartridges in corresponding ratios for forming various colors and providing said multicolor pen with diversified and lively writing effect.

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