×

Light emitting electric toothbrush

  • US 6,202,242 B1
  • Filed: 08/04/1999
  • Issued: 03/20/2001
  • Est. Priority Date: 01/29/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A light emitting electric toothbrush comprising:

  • a handle having a bottom end and a top end;

    a brush shaft mounted to said top end of said handle, said brush shaft comprised of a plastic resin including a fluorescent colored light refractive additive for optimizing light transmission through said brush shaft;

    a high intensity light source mounted within said top end of said handle for generating light;

    a domed-shaped optical lens positioned over said high intensity light source for directing said generated light into said brush shaft; and

    a switched electrical source for energizing said light source, wherein said generated light creates a glowing illumination in said brush shaft for illuminating a dental cavity of a person.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×