Invention Grant
- Patent Title: Block, block system and method of making a block
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Application No.: US16048881Application Date: 2018-07-30
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Publication No.: US11498241B2Publication Date: 2022-11-15
- Inventor: Robert A. MacDonald , Thomas S. Riccobene
- Applicant: Keystone Retaining Wall Systems LLC
- Applicant Address: US OH West Chester
- Assignee: Keystone Retaining Wall Systems LLC
- Current Assignee: Keystone Retaining Wall Systems LLC
- Current Assignee Address: US OH West Chester
- Agency: Dorsey & Whitney LLP
- Main IPC: B28B7/00
- IPC: B28B7/00 ; B28B3/02 ; B28B15/00 ; E04C1/39 ; E04B2/16 ; B28B3/00 ; E04B2/02

Abstract:
A block, block system and method of making a wall block. A block with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance. A mold box having a moveable liner and a stripper shoe that impart three dimensional shaped areas and three dimensional angular valleys or joints onto an exposed surface of a block. The moveable liner and stripper shoe also impart a parting line onto the exposed surface of the block.
Public/Granted literature
- US20180333893A1 BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK Public/Granted day:2018-11-22
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