Back to results
US 2020/0047373 A1Published application
Apparatus for making a masonry block with a roughened surface
AssigneePavestone, LLC
InventorWilliam H. Karau
Life of this patent
Estimating the term…
Abstract
An apparatus comprising a substantially smooth internal mold surface forming a cavity and one or more roughened sections of the substantially smooth internal mold surface having a plurality of irregular grooves, wherein each roughened section is inclined with a wider base and a narrower top.
Claims17
An apparatus comprising:
- a substantially smooth internal mold surface forming a cavity;
- and
- one or more roughened sections of the substantially smooth internal mold surface having a plurality of irregular grooves, wherein each roughened section is inclined with a wider base and a narrower top.
Dependencies are inferred from the claim text.