Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jian Yan0
Date of Patent
May 9, 2023
0Patent Application Number
170813140
Date Filed
October 27, 2020
0Patent Citations
Patent Primary Examiner
A dual-ended stick mechanism comprises a dual-ended holder cup that holds two stick products; a single inner body with longitudinal shaft; a single cam sleeve a with helical groove; two A-shell members; and two overcaps. When either overcap is rotated with respect to the opposite A-shell, the holder cup moves up and down. A register feature alerts the user that the holder cup has reached its neutral position.
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