US Patent: 477,183
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| Caliper Rule
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Patentee:
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| George D. McLane (exact or similar names) - Providence, RI |
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Patent Dates:
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| Applied: |
Oct. 06, 1891 |
| Granted: |
Jun. 14, 1892 |
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Patent Pictures:
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1 | 2
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Joel Havens
Martin J. Donnelly Antique Tools
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co.
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Description: |
| Socrates Scholfield patent attorney
The original patents for this rule were #'s 477104 and 477105.
This patent was for the screw threaded locking wheel.
The rule was listed in the B & S Catalogs as a Button Rule # 397 up to at least 1941. |
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