Collapsible trailer
The broken line showing of collapsible trailer in
Claims
The ornamental design for a collapsible trailer, as shown and described.
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Type: Grant
Filed: Sep 18, 2019
Date of Patent: Aug 24, 2021
Inventor: Xiangshan Zhang (Zhejiang)
Primary Examiner: George A Bugg
Assistant Examiner: Tamara L Hahn
Application Number: 29/706,082