Toothbrush

Details Toothbrush Toothbrush

1997-04-23

1998-08-25

Chin, Randall

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

151911, A46B 904

Patent

active

057971587

ABSTRACT:
A toothbrush having a block head with bristles embedded in tuft holes by flat bars, a block handle for holding said toothbrush, and an elongated neck portion connecting said block head with said block handle, wherein said block head is at least 3 mm but at most 4 mm in thickness, the length from the bottoms of said tuft holes to a reverse surface of said block head is at least 0.2 mm but at most 2.2 mm, said tuft holes are 1.8 mm or more in depth and said toothbrush is formed of a polyacetal resin.

REFERENCES:
patent: 4404977 (1983-09-01), Vasas
patent: 4475261 (1984-10-01), Okumura
patent: 4646381 (1987-03-01), Weihrauch
patent: 4741066 (1988-05-01), Ito
patent: 5305492 (1994-04-01), Giuliani

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