Patent
   D968654
Priority
Apr 23 2020
Filed
Dec 15 2021
Issued
Nov 01 2022
Expiry
Nov 01 2037
Assg.orig
Entity
unknown
0
22
n/a
The ornamental design for a concrete building block, as shown and described.

FIG. 1 is a perspective view of a concrete building block showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a cross-sectional view of FIG. 2 thereof.

The broken lines depict portions of the concrete building block which form no part of the claimed design.

Suga, Masaaki

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Dec 15 2021ASURO Co., LTD.(assignment on the face of the patent)
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