Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate
2006-12-19
2006-12-19
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Pavement
Vault cover-closure
C404S025000, C052S020000, C277S602000
Reexamination Certificate
active
07150580
ABSTRACT:
The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding peripheries of the manhole structure. Adhesives and supplemental retaining bands may also be used to secure the elastomeric band to the manhole structure.
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