US Patent: 343,616
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| Square
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Patentees:
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| Andrew S. Upson (exact or similar names) - Unionville, CT |
| Henry A. Cowles (exact or similar names) - Unionville, CT |
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Patent Dates:
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| Applied: |
Feb. 19, 1885 |
| Granted: |
Jun. 15, 1886 |
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Patent Pictures:
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Russ Allen.
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Description: |
| Square for use by a book keeper or clerk. Patent claim is for a graduated, beveled outer edge, a beveled inner edge for a tearing edge, and the handle. Known examples are marked either with "THE STANDARD RULE CO. UNIONVILLE CT." or "UPSON NUT CO. UNIONVILLE CT." along with "PAT JUNE 15.1886" or with only the patent date.
Andrew S. Upson was the president Standard Rule Co. which merged into the Upson Nut Co in 1888 which he was also president. Both companies produced metal planes, transitional planes, squares and rules. |
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