Toothbrush

Details Toothbrush Toothbrush

1974-07-22

1976-02-24

Blum, Daniel

Brushing, scrubbing, and general cleaning

Implements

Sponge or sponge with holder

128 62A, A61H 1300

Patent

active

039395227

ABSTRACT:
Toothbrush having a rigid handle and a head part with a multicellular resilient pad made of compressible polyurethane sponge, the pad having a configuration of a hexagonal cylinder, one of which surfaces is provided with a concavity. The concavity has a gutter or gutters parallel to the axis of the hexagonal cylinder. The pad may have a groove or grooves parallel to the axis of the hexagonal cylinder on the back side surface of the pad.

REFERENCES:
patent: 1908510 (1933-05-01), Dodson
patent: 2092438 (1937-09-01), Wilt
patent: 2736917 (1956-03-01), Goldstein et al.
patent: 2819482 (1958-01-01), Applegate
patent: 2946072 (1960-07-01), Filler et al.
patent: 3317944 (1967-05-01), Napier et al.
patent: 3424150 (1969-01-01), Meranto
patent: 3458268 (1969-07-01), Wozab et al.
patent: 3491396 (1970-01-01), Eannarino et al.

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