Toothbrush

Details Toothbrush Toothbrush

1990-05-23

1991-11-19

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Implements

Combined

151671, 151672, 15DIG5, D 4105, A46B 904

Patent

active

050654705

ABSTRACT:
A toothbrush has a special head for brushing the posterior teeth and a special head for brushing the anterior teeth. Each head includes bristles that contact the lateral surfaces of the teeth including at or just below the gum line as well as the top surfaces of the teeth.

REFERENCES:
patent: D52385 (1918-09-01), Clapp
patent: D248696 (1978-08-01), Greenberg
patent: D273724 (1984-05-01), Gillow
patent: D297888 (1988-10-01), Stoll
patent: 890143 (1908-06-01), Kuzzer
patent: 2097987 (1937-11-01), Phillips
patent: 2154352 (1939-04-01), Peterson
patent: 2244615 (1941-06-01), Garcin
patent: 3100309 (1963-08-01), Gambino
patent: 3934298 (1976-01-01), Kim
patent: 4493125 (1985-01-01), Collis
patent: 4776054 (1988-10-01), Rauch

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