US Patent: 1,318,045
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| Art of Cutting Screw Threads
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Patentees:
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| Joseph Becker, deceased (Estate of) (exact or similar names) - Washington, DC |
| Edmund Becker, Administrator (exact or similar names) - Unknown, Unknown |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 01, 1918 |
| Granted: |
Oct. 07, 1919 |
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Joel Havens
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Description: |
| Continuation of application filed 14 May, 1917.
Claim:
The present invention relates to the art of cutting screw threads it prime object being to permit of cutting threads having a millimetric pitch, by means of a lathe whose lead screw is based on the English inch. |
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