Toothbrush

Details Toothbrush Toothbrush

1976-10-29

1978-04-11

Blum, Daniel

Brushing, scrubbing, and general cleaning

Implements

Sponge or sponge with holder

128 62A, A61H 1300

Patent

active

040830780

ABSTRACT:
A toothbrush which has a brush handle, a head on one end of the handle and a resilient, preferably multicellular pad fixed on the brush head. The pad has a concavity of a relatively large area across the pad in the area halfway between the ends of the pad on the upper surface, to form two protrusions on the opposite sides of the concavity. Each protrusion has at least one upside projection thereon substantially of the form of a triangular prism with the lateral edges extending in the lateral direction of the pad. The concavity lies preferably lower than the bottom of the troughs defined by the adjacent upside projections and can have a ridge or a plurality of ridges across the pad on the concavity. The pad has preferably an additional projection on each of the protrusions, which extends in the longitudinal direction of the pad and is of a form of a polygonal prism with the lateral edges extending in the lateral direction of the pad.

REFERENCES:
patent: 1248675 (1917-12-01), Kawinsky
patent: 2148483 (1939-02-01), Love et al.
patent: 2176309 (1939-10-01), Love et al.
patent: 2476201 (1949-07-01), Ligoure
patent: 3228055 (1966-01-01), Levenson
patent: 3258805 (1966-07-01), Rossnan
patent: 3491396 (1970-01-01), Eannarino et al.
patent: 3939522 (1976-02-01), Shimizu

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