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3824666
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Information
Patent Grant
3824666
References
Source
Patent Number
3,824,666
Date Filed
Not available
Date Issued
Tuesday, July 23, 1974
49 years ago
CPC
E04F21/1838 - for setting a plurality of similar elements
E04F21/1877 - Leveling devices
Y10T29/49769 - Using optical instrument [excludes mere human eyeballing]
Y10T29/53 - Means to assemble or disassemble
Y10T29/53087 - with signal, scale, illuminator, or optical viewer
US Classifications
072 - Metal deforming
029 - Metal working
033 - Geometrical instruments
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