Hair styling iron with timer
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United States of America Patent
Stats
-
Dec 20, 2016
Grant Date -
May 12, 2016
app pub date -
Jan 18, 2016
filing date -
Jan 18, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hair styling iron includes a handle to which a barrel is mounted, a heating element in the barrel, a rotary drive including a motor that rotates the barrel, a control circuit including a timer, and a momentary drive switch which is user actuable and connected to the control circuit for control of the motor. Actuation of the drive switch must be maintained to operate the rotary drive. The control circuit monitors at least one change of state of the drive switch to determine a starting time, and actuates an alarm after an elapsed time measured from the starting time. The elapsed time is calculated by the control circuit in direct proportion to an angle of rotation of the barrel relative to the handle that occurs between a first actuation of the drive switch and release of the drive switch immediately following the first actuation of the drive switch.
First Claim
Family
International Classification(s)
Cited Art Landscape
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