Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Load children
11/00
Stairways, ramps, or like structures; Balustrades; Handrails
Load children Filter patents View analytics View as hierarchy
E04F11/02
Stairways; Layouts thereof
Load children Filter patents View analytics View as hierarchy
E04F11/16
Surfaces thereof; Protecting means for edges or corners thereof
Load children Filter patents View analytics View as hierarchy
E04F11/163
Protecting means for edges or corners
Load children Filter patents View analytics View as hierarchy
E04F11/166
with means for fixing a separate edging strip
Filter patents View analytics View as hierarchy