US Patent: 354,140
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| Calf-Weaner
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Patentee:
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| Charles E. Hubbard (exact or similar names) - (North) Topeka, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 27, 1886 |
| Granted: |
Dec. 14, 1886 |
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Patent Pictures:
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Patent 354,140 - edited drawing |
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Stan Schulz
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Description: |
| The design is intended as a "suction breaker" rather than "access blocker." Compare its intended action to designs like 169,670 and 175,640. |
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