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Patent number:
Patent Date:
US Patent: 948,172
Device for Dividing Circles or Arcs of Circles
Patentee:
Albert D. Ide (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
33/27.03
Tool Categories:
layout tools
:
compasses
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
William F. Barnes
Frank P. Leffingwell
J. L. Jenkins
M. J. Miller
Patent Dates:
Applied:
Jun. 18, 1908
Granted:
Feb. 01, 1910
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a beam compass with an additional attachment for measuring the arc as it draws.
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