Projection screen
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the projection screen design in the drawings.
Claims
The ornamental design for a projection screen, as shown and described.
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Type: Grant
Filed: Dec 10, 2021
Date of Patent: Mar 12, 2024
Assignee: Guangdong Acme Technology Co., Ltd. (Guangdong)
Inventor: Zhijun Rong (Guangdong)
Primary Examiner: Richard Kearney
Assistant Examiner: Benjamin M Weeks
Application Number: 29/818,932