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Application filed by M Aquino Ernesto, M Aquino Serafin IiifiledCriticalM Aquino Ernesto
Priority to PH2/2012/000403UpriorityCriticalpatent/PH22012000403U3/en
Publication of PH22012000403U1publicationCriticalpatent/PH22012000403U1/en
Publication of PH22012000403U3publicationCriticalpatent/PH22012000403U3/en
A reinforced concrete drainage pipe having an elongated dovetail hump that serves as a wedge and could be used as a partial walkway when installed. It is provided with locking means that prevents rotation of the pipes relative to each other. The pipe is also provided with plurality of inlet openings along its length that serves as a connection means or entry of drained water. It could be used in different land development such as a drainage pipe, drop inlet, curb and a portion of the sidewalk.