Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate
2006-04-11
2006-04-11
Addie, Raymond W. (Department: 3671)
Road structure, process, or apparatus
Pavement
Vault cover-closure
C404S025000, C052S020000, C052S019000
Reexamination Certificate
active
07025529
ABSTRACT:
Existing street sewers consist of an immobile concrete structure supporting a frame. The present invention, the self-leveling street sewer, comprises a frame that floats on the foundation of the street and a tubular section that is connected to the connecting conduit. Since the frame is supported only by the street foundation, the immobile concrete structure is no longer required.
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Addie Raymond W.
Conley & Rose, P.C.
Zirga Inc.
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