IPC Subgroup
E21B 10/627 with plural detachable cutting elements
Introduced: January 2006
Full Title
Drill bits > characterised by parts, e.g. cutting elements, which are detachable or adjustable > with plural detachable cutting elements
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
1 direct subcode
Child Classifications
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- E21B 10/633 independently detachable