Multipurpose drawing tool
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United States of America Patent
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-
Jun 10, 2008
Grant Date -
N/A
app pub date -
Jan 23, 2007
filing date -
Jan 23, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multipurpose drawing tool is provided. One embodiment of the tool that is advantageous for drawing circles one-handedly includes a protractor portion and an elongated radius arm portion. The protractor portion includes an aperture, and a securing member is rotatably mounted in the aperture. The securing member may be a transparent or translucent suction cup for releasably attaching the tool to a drawing surface such as a vertically-oriented dry-erase or chalk board. Alternatively, the securing member may be a transparent or translucent magnet or a conventional magnet configured with a generally annular or toroidal shape. In another embodiment, an improved protractor is provided that includes a straightedge portion, a semicircular portion, a pivot arm and a suction cup or magnet securing member that pivotally secures an end of the arm to a central portion of the straightedge portion.
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- Non-US Classification not provided for expired patents
Cited Art Landscape
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