Laser square
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United States of America Patent
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Mar 3, 2015
Grant Date -
Dec 20, 2012
app pub date -
Feb 1, 2012
filing date -
Feb 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A square includes a laser indicator and comprises a two-part body with a channel running between them defining a pair of perpendicular arms. The channel holds a cavity for a battery or other portable power source as part of an electrical circuit. One or both arms may include a scale as well as an elongate opening on the top of the arm for a handle to move a laser/indicator back and forth along the opening. The arms preferably include a pair of bus bars to conduct electricity from the power source to the laser. The second arm may also include a laser light source that is capable of moving in a direction parallel to the arm, as well as rotating in place.
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