Toothbrush

Details Toothbrush Toothbrush

1986-04-21

1987-09-08

Feldman, Peter

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15144R, 15172, 15206, 15184, D 4133, A46B 904

Patent

active

046914048

ABSTRACT:
An interdental toothbrush has a handle made from a mixture of a thermoplastic elastomer and a general purpose polypropylene. A twisted wire brush projects from the handle in axial alignment therewith. The toothbrush can be held within a loosely clasped fist, with one end of the brush held between a thumb and an index finger. By manipulating the thumb and index finger, the angle at which the brush projects may be changed at will. In this way, the insertion of the brush in more difficult to reach spaces in or around teeth is more easily performed.

REFERENCES:
patent: D157514 (1950-02-01), Perwas
patent: D270669 (1983-09-01), Cassai et al.
patent: 759490 (1904-05-01), Yates
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 (1975-07-01), Marquis
patent: 4030199 (1977-06-01), Russell
patent: 4222143 (1980-09-01), Tarrson et al.
patent: 4387479 (1983-01-01), Kigyos
patent: 4520526 (1985-06-01), Peters
patent: 4535761 (1985-08-01), Rabinowitz
"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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