US Patent: 131,695
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| Improvement in Fruit-Jars
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Patentee:
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| John L. Mason (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: |
Aug. 09, 1871 |
| Granted: |
Sep. 24, 1872 |
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Patent Pictures:
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John L. Mason Pat. Sept. 24, 1872 |
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Stan Schulz
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Description: |
| The patent is for a stepped jar closure matching a stepped jar shoulder, a rubber sealing ring, and a metal screw band with an outside lug. The wrench shown in the drawing is described in the specifications. Mason refers to previous patents (no. 102913 and 115754) in the specifications. |
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