When did Weller pottery go out of business?

1948 By 1905, Weller Pottery was the largest pottery in the country. It mass-produced art pottery until about 1920, and it produced commercial lines until the pottery closed in 1948 .Weller Pottery.TypeCorporationDefunct1948HeadquartersZanesville, OhioProductsVases, pots, ceramic tile, cuspidors, bowls, crocks2 more rows