E21C 37/24 Pick hammers (pneumatic hammers in general B25D; percussion drilling E21B1/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Pick hammers
CPC: Pick hammers (pneumatic hammers in general B25D; percussion drilling E21B1/00)
Full Title
Full titles differ between systems:
Other methods or devices for dislodging with or without loading > Hand tools or hand-held power-operated tools specially adapted for dislodging minerals > Pick hammers
Other methods or devices for dislodging with or without loading (breaking-down by means inserted in slits E21C27/14) > Hand tools or hand-held power-operated tools specially adapted for dislodging minerals (slitting machines guided solely by hand E21C25/64) > Pick hammers (pneumatic hammers in general B25D; percussion drilling E21B1/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.