IPC Subgroup
E01C 21/02 Fusing, calcining, or burning soil
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or processes for surface stabilisation for road building or like purposes, e.g. mixing borrowed aggregate with binder > Fusing, calcining, or burning soil
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR