Invention Grant
- Patent Title: Underlayment panel having drainage channels
- Patent Title (中): 排水渠有排水渠
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Application No.: US14204700Application Date: 2014-03-11
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Publication No.: US08967906B2Publication Date: 2015-03-03
- Inventor: Steven L. Sawyer
- Applicant: Brock USA, LLC
- Applicant Address: US CO Boulder
- Assignee: Brock USA, LLC
- Current Assignee: Brock USA, LLC
- Current Assignee Address: US CO Boulder
- Agency: MacMillan, Sobanski & Todd, LLC
- Main IPC: E01C3/06
- IPC: E01C3/06 ; E04B5/48 ; E01C11/22 ; E01C13/04 ; E04F15/22
Abstract:
An underlayment panel includes a top surface and a bottom surface. A plurality of projections define drainage channels. A plurality of drain holes arranged through the panel provide fluid communication between the top surface and the bottom surface.
Public/Granted literature
- US20140190103A1 Underlayment Panel Having Drainage Channels Public/Granted day:2014-07-10
Information query
