Toothbrush

Details Toothbrush Toothbrush

1985-02-21

1987-08-25

Kemper, Catherine E.

Brushware

Toothbrush or handle therefor

D 4131

Patent

active

D02915049

REFERENCES:
patent: 1465522 (1923-08-01), Lundy
patent: 1806520 (1931-05-01), Cave
patent: 1894413 (1933-01-01), Nenning et al.
patent: 1996205 (1935-04-01), Jackson
patent: 2164219 (1939-06-01), McGerry
patent: 2167129 (1939-07-01), Sleeper
patent: 2206542 (1940-07-01), Arnold
patent: 2319841 (1943-05-01), Bate
patent: 3204275 (1965-09-01), Baker
patent: 3559226 (1971-02-01), Burns
patent: 3720975 (1973-03-01), Nelson
patent: 3892040 (1975-05-01), Marquis
patent: 3939520 (1976-02-01), Axelsson
patent: 3964122 (1976-06-01), Kurdy
patent: 4030199 (1977-06-01), Russell
patent: 4222143 (1980-09-01), Tarrson et al.
patent: 4222143 (1980-09-01), Tarrson et al.
patent: 4319377 (1982-03-01), Tarrson et al.
patent: 4387479 (1983-06-01), Kigyos
patent: 4387479 (1983-01-01), Kigyos
patent: 4395943 (1983-08-01), Brandli
"D-Plak-R" Toothpick Holder, Dental Products Report, 5/74.
A photograph of three brushes by Sanyo-Hapics Perio Pic, from Japan Perio Center (date unknown).
Page 40, Oral Health, Jan. 1979.
Picture of unknown Japanese brush (marked Exhibit AS1) of unknown date.
Denticator brushes (date unknown).
Photocopy of three specimens (marked Exhibit AT2) of unknown date.

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