characterised by the arrangement of teeth or other cutting elements

Full Title

Drill bits > Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits > characterised by the arrangement of teeth or other 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