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US 2010/0071804 A1Published application
Liner for spill continment manholes
OwnerJohn W. Roweinventor
Life of this patent
Estimating the term…
Abstract
A method of repairing a leaking spill container by lining the existing unit. Additionally the liner can be used to convert a single walled spill container into a double walled spill container.
Claims2
A liner for spill containment manholes for repairing existing leaking spill containment manholes or to provide double wall protection for new or existing single wall spill containment manholes, comprising:
- means for containing spilled fluids.
Dependencies are inferred from the claim text.