Visual irrigation pipe flow indicator

Claim 1

VISUAL FLOW INDICATING MEANS COMPRISING, IN COMBINATION, AN IRRIGATION WELL DISCHARGE PIPE HAVING A SIGHT OPENING THEREIN SUFFICIENTLY BIG TO ALLOW A SAMPLE OF THE CONTENTS OF THE PIPE TO FLOW OUTWARDLY THROUGH SAID SIGHT OPENING AND TO, IN THIS MANNER, ALLOW THE IRRIGATOR TO CHECK AND INSPECT THE SAME OF AIR, SAND, MUD AND EXTRANEOUS MATTER SUCH AS MAY BE INDICATIVE OF MALFUNCTIONING, READILY APPLICABLE AND REMOVABLE COVER MEANS FOR SAID SIGHT OPENING EMBODYING A HEMISPHERICAL TRANSPARENT DOME FUNCTIONAL BOTH AS TO SIZE AND CAPACITY THAT IS CAN TRAP AND CONFINE A PORTION OF THE AIR, WATER AND CONTENTS OF THE LATTER OUTSIDE THE SURFACE OF SAID PIPE FOR ANALYSIS AND INSPECTION, SAID DOME HAVING A READILY VIEWABLE GRADULATED SCALE, THE OPEN BOTTOM OF SAID DOME ENCIRCLING SAID SIGHT OPENING AND EMBODYING FLUID TIGHT MEANS CONFORMINGLY CONTACTING COACTING EXTERIOR SURFACE PORTIONS OF THE PIPE ENCOMPASSING SAID OPENING, THE CROWN PORTION OF SAID DOME HAVING AT LEAST ONE VENTING PORT AND MANUALLY CONTROLLABLE VALVE MEANS NORMALLY CLOSING SAID PORT, A VELOCITY DETERMINING FLOW SENSING AND ACTUATED INDICATOR DEPENDING THROUGH SAID SIGHT OPENING INTO THE CONDUIT OF SAID PIPE AND HAVING A POINTER AT THE UPPER END THEREOF PROJECTING INTO AND MOVABLE IN THE HOLLOW PORTION OF SAID DOME AND COOPERABLE WITH THE HOLLOW TIONS ON SAID SCALE, MEANS SPANNING AND OPERABLY MOUNTING SAID INDICATOR ON THE OPEN BOTTOM PORTION OF SAID DOME, AND DOME MOUNTING AND HOLDDOWN MEANS ASSOCIATIVELY ORIENTED AND COOPERABLE WITH SAID DOME AND SADDLED OVER AND DETACHABLY ANCHORED ON SAID DISCHARGE PIPE.