Trefoil shaped black trolley
Description
Claims
The ornamental design for trefoil shaped black trolley, as shown and described.
Referenced Cited
Patent History
Patent number: D822462
Type: Grant
Filed: Feb 7, 2017
Date of Patent: Jul 10, 2018
Inventor: Changhua Han (Shanghai)
Primary Examiner: Cynthia R Underwood
Application Number: 29/593,166
Type: Grant
Filed: Feb 7, 2017
Date of Patent: Jul 10, 2018
Inventor: Changhua Han (Shanghai)
Primary Examiner: Cynthia R Underwood
Application Number: 29/593,166
Classifications
Current U.S. Class:
D8/360