Glass fiber sewage tank

Claim 1

A SEWAGE TANK COMPRISING A HOLLOW CONTAINER ENCLOSING A FLUID CHAMBER AND COMPOSED OF FIBER GLASS REINFORCED WATERPFOOF RESIN MATERIAL, SAID CONTAINER INCLUDING A TOP PORTION, THE TOP PORTION INCLUDING A ROOF, AND A BOTTOM PORTION, SPACED INLET AND OUTLET PASSAGE MEANS FORMED IN SAID TOP PORTION BELOW THE ROOF, SAID TOP PORTION AND SAID BOTTOM PORTION HAVING ABUTTING EDGES COMNECTED TOGETHER BY INTERLOCKING MEANS, SAID INTERLOCKING MEANS COMPRISING A FLANGE ON ONE OF THE EDGES FITTING WITHIN A GROOVE IN THE OTHER EDGE, SAID FLANGE AND GROOVE HAVING INTERNESTING TEETH, SAID OUTLET PASSAGE MEANS INCLUDING CIRCULAR INDENTATIONS DEFINING KNOCKOUT PLUGS, SAID INLET PASSAGE MEANS INCLUDING A HOLLOW FLEXIBLE BELLOWS ADAPTED TO BE CONNECTED TO AN INLET PIPE, SAID INLET AND OUTLET PASSAGE MEANS INCLUDING PORTS THROUGH THE SIDE OF SAID CONTAINER, VERTICALLY EXTENDING SEMICIRCULAR BAFFLES WITHIN SAID CHAMBER AND EXTENDING OVER ONE END OF EACH OF SAID PORTS, THE BAFFLE OVER THE INLET PASSAGE MEANS BEING CORRUGATED SO AS TO BREAK UP SOLID PIECES OF SEWAGE INTO SMALL PARTICLES.