E01H 4/02 for sporting purposes, e.g. preparation of ski trails; , e.g. devices adapted for ski-trails (production of snow or ice for winter sports or similar recreational purposes F25C3/00)
Introduced: January 1985
Title
Titles differ between systems:
IPC: for sporting purposes, e.g. preparation of ski trails
CPC: for sporting purposes, e.g. preparation of ski trails; , e.g. devices adapted for ski-trails (production of snow or ice for winter sports or similar recreational purposes F25C3/00)
Full Title
Full titles differ between systems:
Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow > for sporting purposes, e.g. preparation of ski trails
Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow (production of artificial snow F25C3/04) > for sporting purposes, e.g. preparation of ski trails; , e.g. devices adapted for ski-trails (production of snow or ice for winter sports or similar recreational purposes F25C3/00)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
Navigate with arrow keys, Enter to open