Dental timer
OwnerStephen M. Grussmarkinventor
Life of this patent
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Abstract
A toothpaste dispenser with a timer device so that a person will receive a signal to indicate the time period during which the teeth are being brushed; three embodiments are shown, in one embodiment an hourglass timer is provided and in a second and third embodiment an electrical signal device is provided the timing being selected of a time period of between two and three minutes, the optimal period during which brushing should continuously be done in a tooth cleaning operation in order to achieve maximum results. 2
Claims1
A toothpaste dispenser and timer means in combination whereby a person is provided with a signal to indicate the time period during which the teeth are being brushed;
- and, said toothpaste dispenser including a dispenser lever means to selectively cause discharge of toothpaste from said dispenser, whereby said dispenser and said dispensing lever each include switch contacts arranged and positioned so that when the lever is depressed, said contacts are in electrical engagement with one another, and further, circuit means including said switch contacts and (a) battery means, (b) electronic timer means, and (c) signal means in series with one another whereby, when said switch contacts are in electrical engagement with one another the circuit is closed and a signal is emitted after a time delay of predetermined length.
Dependencies are inferred from the claim text.