Combined vernier gauge and protractor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 4, 1992
Grant Date -
N/A
app pub date -
Oct 10, 1990
filing date -
Jun 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combined vernier gauge and protractor includes a primary rule having thereon a regular scale, a secondary piece slidable on the primary rule, and a protractor having a straight side pivotally mounted on and alongside the secondary piece. Such a device is provided in order that it can both provide the functions of a vernier gauge and a protractor. The secondary piece includes a vernier scale capable of cooperating with the regular scale to enable the present device to have a more accurate measurement.
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Family
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Cited Art Landscape
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