Toothbrush with bristles progressively decreasing in height...

Details Toothbrush with bristles progressively decreasing in height... Toothbrush with bristles progressively decreasing in height...

A - Human Necessities

46

B

A46B 9/04 (2006.01)

Patent

CA 2134858

Toothbrush in which the height of the bristles, present on its head, decreases progressively, from its lateral edges towards the longitudinal axis, with the result that the free tips of the bristles form an elongated hollow, which runs parallel to the longitudinal axis of the head.

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