US Patent: 549,745
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Two-Foot Rule
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Patentees:
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Daniel R. Porter (exact or similar names) - Chelsea, Suffolk County, MA |
Reuben S. Whittier (exact or similar names) - Chelsea, Suffolk County, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 21, 1895 |
Granted: |
Nov. 12, 1895 |
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Joel Havens
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Description: |
Wright, Brown, & Quinby, patent attorneys
This invention relates to improvements in the common two-foot four-fold carpenters' or pocket rule; and it consists in graduating radially the flange of the middle joint with the degrees of a circle, means for locking the said joint in any desired position and rabbetting the inner corners of the ends of the rule to clear the locking mechanism when the rule is folded. |
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