Patent ID: 9238908
Filing Date: 2016-01-19
CPC Classification: B08B,E03C,E03F

Claim Text:
1. A curb vent stack plunger comprising: an elongated straight rigid metal pole of at least five feet in length having a top end and a bottom end and defining an axis; a first substantially circularly shaped disc of rubberized fabric material located adjacent said bottom end of said pole and secured thereto, said first disc lying in a first plane perpendicular to said axis; a second substantially circularly shaped disc of rubberized fabric material secured to said pole at a distance spaced upwardly from said bottom end, said second disc lying in a second plane perpendicular to said axis but parallel to said first plane of said first disc, said first disc and said second disc being separately mounted on said pole and being spaced apart by at least eight inches; each of said discs having an upper surface and a lower surface, and a soft rubberlike bumper secured to said bottom end of said pole, said bumper being semi-spherically shaped having a flat upper surface and a rounded lower surface, said flat surface being parallel to said lower surface of said first disc and said rounded lower surface being the lowermost part of the plunger.