US Patent: 337,531
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| Calipers and Dividers
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Patentee:
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| Joshua Stevens (exact or similar names) - Chicopee Falls, MA |
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Patent Dates:
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| Applied: |
Jul. 27, 1885 |
| Granted: |
Mar. 09, 1886 |
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Patent Pictures:
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Joel Havens
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Description: |
| This patent is for the curved springs and the sockets that they fit into. (Image #6)
These Spring calipers were introduced in 1888 and incorporated the features from patents, 337,531, 351474, 377,867 and 377868. The Square leg style was offered under the "IDEAL" label and the flat leg version under the "Leader" label.
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