Short-life power toothbrush for trial use

Details Short-life power toothbrush for trial use Short-life power toothbrush for trial use

2005-04-26

2005-04-26

Spisich, Mark (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C310S273000

Reexamination Certificate

active

06883199

ABSTRACT:
A trial (test) power toothbrush designed to emulate the performance of a corresponding commercial toothbrush, powered by a non-rechargeable battery. The power to drive the toothbrush is controlled by a control circuit which is responsive to the battery to maintain the drive power at approximately the level of the commercial unit and a short “trial use” period, i.e. one month/30 days, and then to terminate operation of the power toothbrush. The trial toothbrush may then be readily disposed of by the user, including the battery therein.

REFERENCES:
patent: 3220039 (1965-11-01), Dayton et al.
patent: 4179814 (1979-12-01), Montanio
patent: 5189751 (1993-03-01), Giuliani et al.
patent: 5994855 (1999-11-01), Lundell et al.
patent: 6000083 (1999-12-01), Blaustein et al.
patent: 6230717 (2001-05-01), Marx et al.
patent: 1095630 (2001-05-01), None
patent: 2680086 (1993-02-01), None

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