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US 7,682,149 B2Granted
Timed wick and candle thereof
OwnerTravis Aaron Wadeinventor
Life of this patent
Estimating the term…
Abstract
A powered, mechanical teeth cleaning device having two lines of rotating brushes is disclosed. The brushes rotate inwardly from each side, giving a cleaning effect on both buccal and lingual surface of the tooth from the gum tissue to the tooth direction. A protective shield for minimizing tissue irritation, a guiding stop for proper tooth positioning and a brush direction-of-rotation switch are included.
Claims9
A self-extinguishing, timed-interval candle wick to automatically interrupt and extinguish the burning process in a candle, the candle wick comprising:
- a combustible first wick segment;
- and
- a rapidly combustible second wick segment, comprising a rapidly combustible composition, coupled to the combustible first wick segment and located adjacent to or beneath the first wick segment and configured to, as the combustible first wick segment, once ignited, burns down to the rapidly combustible second wick segment, rapidly interrupt and extinguish by vaporization the burning of the first wick segment;
- wherein the candle wick is configured to be relit, post extinguishment by vaporization, without having to physically remove a non-combustible barrier.
1 more element
Dependencies are inferred from the claim text.