Tooth brushing timing device

Details Tooth brushing timing device Tooth brushing timing device

1998-12-23

2000-06-13

O'Shea, Sandra

Illumination

Combined

362253, 362 97, 362124, 362122, 362806, 362808, 151671, 151672, 1523608, 211 65, 211 601, 211119009, 248915, 248110, 248 908, F21V 3300

Patent

active

060740760

ABSTRACT:
A tooth brushing timing device including a housing having a front face and a rear face. The housing has a hollow interior. The housing has an interior face disposed inwardly of the front face within the hollow interior. The interior face has a facial representation thereon. The front face has apertures therethrough aligning with the facial representation for viewing from an exterior of the housing. A timing mechanism is disposed within the hollow interior of the housing inwardly of the interior face. The timing mechanism has a rotating rod extending outwardly through the interior face and the front face. A blocking device is in communication with the timing mechanism for selectively covering the apertures in the front face to preclude visualization of the facial representation.

REFERENCES:
patent: 3998234 (1976-12-01), Stubbmann
patent: 4934940 (1990-06-01), Savery
patent: 5160194 (1992-11-01), Feldman
patent: 5570325 (1996-10-01), Arpadi
patent: 5864288 (1999-01-01), Hogan
patent: 5875796 (1999-03-01), Silver-Isenstadt et al.

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