Multi-function drafting instrument
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United States of America Patent
Stats
-
Mar 12, 1996
Issued Date -
N/A
app pub date -
Jan 24, 1995
filing date -
May 11, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drafting instrument is disclosed that functions as a protractor, compass, T-square and ruler. The instrument is especially adaptable for use on dry erase boards, chalkboards and tables Apertures disposed in the ruler portion of the instrument accommodate pen tips and facilitate the drawing of arcs, circles and parallel lines. The preferred embodiment of the instrument is two-piece with a uni-body instrument and a suction cup pivotally attached to the underside thereof.
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