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Claims (1)
The ornamental design for a flip hat mask as shown and described.
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Hideamask, posted Jul. 16, 2020 [online], [retrieved Mar. 19, 2025]. Retrieved from internet, https://www.core77.com/posts/100864/Hide-a-Mask-On-Demand-Face-Mask-That-Pops-Out-of-a-Baseball-Cap (Year: 2020).
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