Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Reexamination Certificate
2007-10-16
2007-10-16
Lagman, Frederick L. (Department: 3673)
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
C405S107000, C405S090000, C405S115000
Reexamination Certificate
active
11273250
ABSTRACT:
A portable flood-barrier-system can include a portable block of substantial mass; and a deflatable bladder, a first portion of which is disposed on a substrate; the block being disposed at least partly on the first portion of the bladder so as to releasably compress the first portion between the block and the substrate and so releasably hold the first portion therebetween due to friction.
REFERENCES:
patent: 4279540 (1981-07-01), Suga et al.
patent: 5735636 (1998-04-01), Szita et al.
patent: 6102620 (2000-08-01), Muramatsu
patent: 6354762 (2002-03-01), Muramatsu
Cho Yong Min
Kim Philip Yong
Harness & Dickey & Pierce P.L.C.
Lagman Frederick L.
Mentor Technologies, Inc.
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