Leak-lock multi-coupler gutter joint

Claim 1

A GUTTER UNIT COMPRISING AT LEAST TWO LENGTHS OF SUBSTANTIALLY U-SHAPED GUTTER OPEN AT THE TOP AND CONNECTED IN END-TO-END RELATION, EACH LENGTH OF GUTTER HAVING A MALE END AT ONE EXTREMITY AND A FEMALE END AT THE OPPOSITE EXTRIMITY, SAID FEMALE END HAVING AN OFFSET MEMBER ATTACHED TO THE INTERIOR THEREOF AND EXTENDING SUBSTANTIALLY ENTIRELY AROUND SAID U-SHAPED GUTTER, SAID OFFSET MEMBER BEING SPACED FROM SAIDFEMALE END A DISTANCE SLIGHTLY GREATER THAN THE THICKNESS OF THE GUTTER MATERIAL, SAID FEMALE END AND SAID OFFSET MEMBER PROVIDING A RESERVOIR, A WATERPROOF NON-HARDENING MASTIC WITHIN SAID RESERVOIR, THE MALE END OF A CONTIGUOUS LENGTH OF GUTTER BEING RECEIVED WITHIN SAID RESERVOIR, SAID FEMALE END AND SAID OFFSET MEMBER HAVING A PLURALITY OF LONGITUDINALLY SPACED DETENTS, SAID MALE END HAVING A PLURALITY OF COOPERATING LONGITUDINALLY SPACED DETENTS, AND THE OFFSET DETENTS OF SAID MALE END BEING RECEIVED WITHIN THE OFFSET DETENTS OF SAID FEMALE END AND LOCKING THE LENGTHS OF GUTTER IN ASSEMBLED RELATION, WHEREBY A WATERPROOF JOINT IS PROVIDED BETWEEN ADJACENT LENGTHS OF GUTTER TO PREVENT LEAKAGE OF WATER THROUGH SAID JOINT AND TO MAINTAIN SAID LENGTHS OF GUTTER IN ASSEMBLED RELATION.