Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Load children
21/00
Implements for finishing work on buildings
Load children Filter patents View analytics View as hierarchy
E04F21/02
for applying plasticised masses to surfaces, e.g. plastering walls
Load children Filter patents View analytics View as hierarchy
E04F21/04
Patterns or templates; Jointing rulers
Load children Filter patents View analytics View as hierarchy
E04F21/05
Supports for jointing rulers
Filter patents View analytics View as hierarchy