• US 6,739,016 B2
  • Filed: 09/17/2001
  • Issued: 05/25/2004
  • Est. Priority Date: 11/30/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A hairbrush, comprising:

  • an elongated member element having a handle segment and a bristle substrate segment on a common axial centerline;

    said bristle substrate having a cylindrical core segment with a radially equidistant central region and continuously increasing radially larger end regions extending from said central region to opposing bristle substrate ends defining an hourglass shaped bristle substrate;

    a plurality of hairbrush bristles of substantially equal lengths attached over said bristle substrate;

    said hairbrush bristles having bristle ends following said hourglass shaped bristle substrate and forming an hourglass shaped bristle brush.

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