US Patent: D34,215
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| Design for a Firmer Chisel
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 14, 1901 |
| Granted: |
Mar. 12, 1901 |
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Russ Allen.
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Description: |
| Generally rounded cross section.
Patent term is 14 years.
James Swan patened a chisel design several week earlier with a angular cross-section, (D34,139}. |
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