PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders Fulltext... Hierarchy... Expanded...B61K)
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming road or like surfaces by compacting or grading snow or ice Fulltext... Hierarchy... Expanded...E01H)
E01C
Note(s)
This subclass covers the construction and surfacing of floorings made of similar materials to roads, e.g. of concrete, of paving; its subdivisions accordingly apply to such floorings in the same way as to roads or the like.
CONSTRUCTION OF BRIDGES OR VIADUCTS; ASSEMBLY OF BRIDGES (bridges extending between terminal buildings and aircraft for embarking or disembarking passengers Fulltext... Hierarchy... Expanded...B64F 1/305)
STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; CLEANING LAND; DISPERSING FOG IN GENERAL (cleaning in general Fulltext... Hierarchy... Expanded...B08B) [4]