US Patent: 70,937
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Improvement in Joiners' Gauges
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Patentee:
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Mason C. Ames (exact or similar names) - Hartford, CT |
USPTO Classifications: |
33/42 |
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Patent Dates:
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Granted: |
Nov. 19, 1867 |
Patent Pictures:
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Ralph Brendler
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Description: |
This is a very simple patent, covering a head that can be rotated 90 degrees on the shaft to present a curved or flat reference surface.
The only known marked example is marked with the incorrect patent date: November 19, 1869. |
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