Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1987-03-04
1988-10-11
Feldman, Peter
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
15110, D 4104, A46B 904
Patent
active
047760540
ABSTRACT:
A toothbrush for efficient cleaning of the teeth, the area under the sulcus and between the teeth and for massage and stimulation of the gums, has a plurality of spaced longitudinally extending rows of bristles in center and outer rows extending from the brushhead. The bristles of the center rows extend perpendicularly to the brushhead and the bristles of each of the outer rows are inclined in different directions relative to the bristles of the center rows. The bristles of each of the outer rows are inclined in one direction from approximately the center of the row to one end thereof and in the opposite direction from approximately the center of the row to the opposite end thereof. Each of the one and opposite directions is away from a normal line at approximately the center of the row. The bristles of the outer rows may also be inclined away from the planes of the bristles of the center rows.
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patent: 4137593 (1979-02-01), Porper
patent: 4288883 (1981-09-01), Dolinsky
Feldman Peter
Tick Daniel Jay
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