US Patent: 2,215,745
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| Slider for slide fasteners
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Patentee:
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| Gideon Sundback (exact or similar names) - Meadville, PA |
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Patent Dates:
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| Applied: |
Jul. 19, 1939 |
| Granted: |
Sep. 24, 1940 |
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Jeff Joslin
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Description: |
| The invention is a lock for the slider on a zipper, to prevent it from moving unless the tab is pulled. Sundback's locking mechanism was effective and constituted a significant improvement to the zipper, arguably the first such improvement since Sundback's invention of his original zipper mechanism in patent 1,219,881. |
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