Shake lighting dice key holder

Details Shake lighting dice key holder Shake lighting dice key holder

2007-03-06

2007-03-06

Sember, Thomas M. (Department: 2875)

Illumination

Door knob or keyhole illuminator

C362S109000, C362S116000, C362S276000, C362S253000, C463S022000, C463S003000

Reexamination Certificate

active

11004745

ABSTRACT:
A key holder apparatus is provided with a battery powered light source. When shaken, a flashing light is emitted for a preset time interval. This enables a user to readily find her keys when they are within a cluttered purse. The light source is in a housing in the form of a dice with six transparent sides to enhance the chances of light being seen in a crowded purse. The light source is preferably one or more light emitting diodes for low power and compactness considerations. A vibration switch in the circuit is not actuated by minor movement such as caused by usual purse motion to the device or when swinging in an automobile ignition.

REFERENCES:
patent: 1363567 (1920-12-01), Cobb
patent: 4124881 (1978-11-01), Haber et al.
patent: 4184304 (1980-01-01), Merchant
patent: 4480294 (1984-10-01), Carboni
patent: 4516776 (1985-05-01), Nicholas
patent: 4641840 (1987-02-01), Larson
patent: 4858931 (1989-08-01), McKechnie
patent: 5400232 (1995-03-01), Wong
patent: 5465197 (1995-11-01), Chien
patent: 6601967 (2003-08-01), Zeller

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