E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 2/30 (2006.01) E01C 5/00 (2006.01) E04F 13/14 (2006.01) E04F 15/02 (2006.01)
Patent
CA 2669451
An irregular, tessellated building unit comprises x primary elements, wherein x is an integer equal to or greater than 1. The primary element (20) is a rotational tessellation having a plural pairs of sides extending in a generally radial direction from plural vertices, respectively. In each pair, the two sides are rotationally spaced by an angle that is divided evenly into 360 degrees. Preferably, all of the sides are irregularly shaped, but one or more sides could be wholly or partially straight. Optionally, spacers are provided on the sides of each unit. A wide variety of units may be constructed having different numbers and arrangements of primary elements (20). As all the units are combinations of primary elements (20), they readily mate with each other. A surface covering (10) comprises a multiplicity of units assembled to form a continuous surface without overlap between units and without substantial gaps.
Keystone Retaining Wall Systems Inc.
Macrae & Co.
Riccobene Designs Llc
LandOfFree
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