US Patent: 2,732,216
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| Indexing-type chuck
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Patentees:
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| Harry E. Sloan (exact or similar names) - Hartford, CT |
| Jerome J. Rutherford (exact or similar names) - Windsor, CT |
| Herbert W. Hickey (exact or similar names) - Hartford, CT |
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Patent Dates:
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| Applied: |
Jun. 08, 1953 |
| Granted: |
Jan. 24, 1956 |
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Jeff Joslin Vintage Machinery entry for Cushman Chuck Co.
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Description: |
| This patent date was seen in a Cushman catalog for their "2-jaw indexing chucks". |
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