Locking device on extension pole
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Claims
The ornamental design for a locking device on extension pole, as shown and described.
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Type: Grant
Filed: May 3, 2016
Date of Patent: May 2, 2017
Assignee: LINZER PRODUCTS CORP. (West Babylon, NY)
Inventor: Takashi Katsuma (Port Washington, NY)
Primary Examiner: Prabhakar G Deshmukh
Application Number: 29/563,240