US Patent: 1,749,442
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| Knife Sharpener
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| USPTO Classifications: |
| 76/88 |
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Patent Dates:
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| Applied: |
Nov. 22, 1926 |
| Granted: |
Mar. 04, 1930 |
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Patent Pictures:
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Fred Pass patent March 4, 1930 |
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Stan Schulz
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Description: |
| The angle of the knife blade to sharpener edge provides a scraping action. The adjustable feature allows for most of the hard sharpener material to be used.
Several household specialty tools incorporating this patent have been observed. Most have a variety of blade sharpeners; some incorporate glass cutters, etc. From ads in THE BILLBOARD, it appears APEX NOVELTY CO. (Chicago) may have been the source for these tools. |
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