GB Patent: GB-187,502,183
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| Spanners and Wrenches
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Patentee:
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| Laurent Justin Boudin (exact or similar names) - Paris, France |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 14, 1875 |
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Patent Pictures:
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L. J. Boudin patent June 14, 1875 - edited from Abridgments of Specifications |
Espacenet patent
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Stan Schulz
2,183 in "Chronological and Descriptive Index " (1875)
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Description: |
| The adjusting sleeve has partial threads that engage threads on the main shank. A quarter turn of the sleeve disengages the threads to allow the movable jaw to slide.
John Henry Johnson was a British patent agent.
Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" to make the number total nine digits). This patent is #2,183 of the year 1875. |
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