Invention Application
- Patent Title: PAVING STONES
- Patent Title (中): 铺石
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Application No.: US15093474Application Date: 2016-04-07
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Publication No.: US20160222595A1Publication Date: 2016-08-04
- Inventor: Leonard Browning , Robert J. Lundell
- Applicant: Oldcastle Architectural, Inc.
- Main IPC: E01C5/06
- IPC: E01C5/06

Abstract:
Generally L-shaped, square, rectangular, triangular, hexagonal, parallelogram and other-shaped paving stones with inter-fitting vertical spacers forming serpentine side contact surfaces that provide enhanced stone-to-stone interlocking in both water-permeable and water-impermeable paving installations.
Public/Granted literature
- US09840813B2 Paving stones Public/Granted day:2017-12-12
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