Building block assembly
In the figures, the complementary retaining bar has been shown with a symbolic break. The portion between the break lines of the symbolic break forms no part of the claimed design.
Claims
The ornamental design of a building block assembly, as shown and described, wherein a portion between break lines of a symbolic break forms no part of the claimed design.
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Type: Grant
Filed: Nov 9, 2018
Date of Patent: Jan 19, 2021
Assignee: SMARTSTONE HOLDINGS (PTY) LTD. (Midrand)
Inventor: David Carmichael Alexander Wertheim Aymes (Randburg)
Primary Examiner: Leanne Was-Englehart
Application Number: 29/669,626