US Patent: 1,705,470
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| Fire Hydrant Wrench
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Patentee:
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| William Chirpe (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 11, 1928 |
| Granted: |
Mar. 19, 1929 |
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Patent Pictures:
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William Chirpe patent March 19, 1929 |
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Stan Schulz
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Description: |
| Design incorporating pentagon and square sockets and box openings, for the use of fire hydrant inspectors.
The specifications note several fire hydrant styles which this design would operate: "Chicago, Wood, Cregier and others," and note "wrench nuts" and "stem nuts." "The wrench illustrated in the drawings is approximately sixteen and one-half inches in length overall and weights approximately four and one-quarter pounds..." |
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