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Patent Number 5,729,079

Patent Number 5,729,079, filed by Gunter Franck, presents a groundbreaking compact fluorescent light bulb featuring a U-shaped glass tube design. Filed on October 23, 1995, and issued on March 17, 1998, this invention addresses the common issue of inadequate lighting on horizontal surfaces that occurs with traditional vertically oriented bulbs. By strategically positioning the U-shaped tube, this energy-efficient lamp optimizes light distribution, making it a superior alternative to incandescent bulbs. Variations of the design include bulbs with differing numbers of U-shaped tubes.

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Patent Number 5,729,079

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  1. Patent Number5,729,079 Compact fluorescent light bulb Filed by: Gunter Franck Filing date: Oct 23, 1995Issue date: Mar 17, 1998

  2. Abstract • This invention relates to a compact fluorescent light bulb in the form of a reflector. • The light is discharge through a U-shaped glass tube, which is located in the same plane at right angles to the reflector axis.

  3. Description • This invention is an improved version of a compact fluorescent light bulb, especially a reflector lamp, which is an energy-saving alternative to the incandescent light bulb. • Compact fluorescent bulbs are normally oriented vertically, which makes the bulbs bright on walls but dim on horizontal surfaces.

  4. Description • This U-shaped design corrects the problem of the compact fluorescents dim lighting on horizontal surfaces. • This patent also includes bulbs with more or less than 2 U-shaped glass tubes that discharge light.

  5. Claims

  6. Claims

  7. Conclusion Patent Number5,729,079 Compact fluorescent light bulb Filed by: Gunter Franck Filing date: Oct 23, 1995Issue date: Mar 17, 1998

  8. Questions?

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