Drainage system for use in masonry block construction
US7448175B2 · kind B2 · utility
4Cited by
33References
12Claims
0Family size
Inventor
Key dates
| Filing date | Mar 2, 2005 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Sep 6, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/7038
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drainage system for use in concrete masonry unit (CMU) wall construction comprises a tray unit of a size corresponding to size of CMUs, to be received beneath a course of CMUs, in use. The tray unit comprises opposite side flanges to abut a superjacent CMU and supporting a pan therebelow. The pan may be angled from back to front and from side edges to a middle portion thereof to urge water toward a front middle portion of the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.