US Patent: 707,233
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Screw-cutting die
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Patentee:
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Charles J. Jackson (exact or similar names) - Erie, PA |
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Patent Dates:
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Applied: |
Oct. 05, 1900 |
Granted: |
Aug. 19, 1902 |
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Stan Schulz "Vintage Machinery" entry for Jackson Vise & Tool Co. "Vintage Machinery" entry for Reed Manufacturing Co.
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Description: |
This patent date has been seen on several pipe threading dies from Reed Manufacturing Co. The dies clearly use the patented feature of "chasers", or cutters, embedded in the cast die-plate. |
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