US Patent: 1,692
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Lathe Chuck Expanding and Contracting or Universal Chuck for Lathes
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Patentee:
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Simon Fairman (exact or similar names) - Waterford, Saratoga County, NY |
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Patent Dates:
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Granted: |
Jul. 18, 1840 |
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Joel Havens "Vintage Machinery" entry for Oliver Snow & Co.
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Description: |
The 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office" says that this patent was extended (i.e., had been extended at some point between 1790 and 1873).
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