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US Patent 11261655 Window shade and spring drive system thereof

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
November 13, 2019
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Date of Patent
March 1, 2022
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Patent Application Number
16683115
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Patent Citations
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US Patent 10494862 Driving assembly and window blind
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US Patent 10329836 Window covering positional adjustment apparatus
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US Patent 10731409 Double-layer cord rolling device for window blind without exposed pull cord
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US Patent 10273748 Blind body actuator for non-cord window blind assembly
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US Patent 10273749 Cord winding mechanism for a cordless window blind
Patent Inventor Names
Chin-Tien Huang
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Chien-Fong Huang
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11261655
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Patent Primary Examiner
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Johnnie A. Shablack
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