Education and demonstration – Psychology – Behavior or performance display
Patent
1988-03-14
1989-11-07
Coven, Edward M.
Education and demonstration
Psychology
Behavior or performance display
434403, 40503, 40111, 235110, G09B 120, G09F 900, G09F 1100
Patent
active
048788457
ABSTRACT:
A device for aiding and encouraging a child to brush his or her teeth regularly. The device is provided with a pair of nonrotatable shafts each of which mounts seven rotatable blocks shaped like a molar tooth, each block representing either the morning or night of a particularly day during which a child should brush his teeth. The front surface faces of the blocks form a frowning mouth with dirty teeth, while the rear surface faces form a pattern of a smiling mouth with white teeth after all of the blocks have been rotated 180 degrees. Each block is rotated to expose a portion of the smile and to remove a portion of the frown after each tooth brushing in the morning and evening of each day.
REFERENCES:
patent: D184055 (1958-12-01), Johnson
patent: 2401162 (1944-09-01), Kaufman
patent: 2801054 (1957-07-01), Bach
patent: 2926487 (1960-03-01), Stone
patent: 3126129 (1964-03-01), Weinberg
patent: 3473239 (1969-10-01), Noseworthy
patent: 3564741 (1971-02-01), Kahre et al.
patent: 4026043 (1977-05-01), Caruso
Lindsay Tom E.
Smith James C.
Coven Edward M.
Gerstein Milton S.
Lindsay Tom E.
Szczepanik V.
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