US Patent: 194,304
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| Improvement in mortising and tenoning machines
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Patentee:
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| William Levin (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 27, 1877 |
| Granted: |
Aug. 21, 1877 |
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Patent Pictures:
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Jeff Joslin
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Description: |
| The inventor manufactured artists' canvases. "The special object of this invention is to provide an organized machine to rapidly and perfect form the joints at the corners of 'stretcher'-frames—that is, those frames used for the canvases of oil-paintings..." The USPTO has in its collection a framed oil painting that was submitted as part of the application for this patent; the oil painting's frame was presumably made on the machine that is the subject of the patent. See patents 206,885 and 206,886 for further improvements to the canvases themselves. |
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