Bowls with downwardly-extending flanges

Full Title

Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Water-closet bowls (auxiliary chambers with connections to flushing water for bowl-cleaning utensils E03D9/06; modified for using upwardly-directed sprays E03D9/08; seats or covers A47K13/00 ) > Bowls with downwardly-extending flanges