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3087219
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Information
Patent Grant
3087219
References
Source
Patent Number
3,087,219
Date Filed
Not available
Date Issued
Tuesday, April 30, 1963
61 years ago
CPC
E06B9/78 - for direct manual operation
E06B2009/425 - Pull chain or cord attached to bottom edge of screen
Y10T16/4724 - Cord or rope related
US Classifications
016 - Miscellaneous hardware
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