Implements for finishing work on buildings: for applying plasticised masses to surfaces

Official title: for applying plasticised masses to surfaces, e.g. plastering walls ({wall covering made of hardening materials E04F13/02}; specially for flooring E04F21/20; implements for painting or decorating B44; applying liquids or other fluent materials to surfaces, in general B05)

E04F21/02 (Implements for finishing work on buildings: for applying plasticised masses to surfaces) appears on 1,086 US grants and 846 published applications in this corpus.