US Patent: 287,899
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Pipe-cutter
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Patentee:
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Elbridge F. Barnes (exact or similar names) - New Haven, CT |
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Patent Dates:
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Applied: |
Mar. 12, 1883 |
Granted: |
Nov. 06, 1883 |
Patent Pictures:
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Elbridge F. Barnes patent November 6, 1883 |
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Stan Schulz "Vintage Machinery" entry for Barnes Tool Co.
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Description: |
The original patent application was divided. See patent no. 282,435 granted July 31, 1883.
The focus of this patent includes the convex face of the cutter wheels, and the tapered pivot pins. |
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