3 tier riser
Description
Claims
The ornamental design for the 3 tier riser, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D913023
Type: Grant
Filed: Dec 9, 2019
Date of Patent: Mar 16, 2021
Inventor: Cliff Chiang (Woodinville, WA)
Primary Examiner: Kelley A Donnelly
Application Number: 29/716,316
Type: Grant
Filed: Dec 9, 2019
Date of Patent: Mar 16, 2021
Inventor: Cliff Chiang (Woodinville, WA)
Primary Examiner: Kelley A Donnelly
Application Number: 29/716,316
Classifications
Current U.S. Class:
D6/678.2