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PCE
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DIFF Subgroup
E21C 27/30

by jaws, buckets or scoops that scoop-out the mineral

Introduced: September 1968

Title

Titles differ between systems:

IPC: by jaws, buckets, or scoops that scoop-out the mineral

CPC: by jaws, buckets or scoops that scoop-out the mineral

Full Title

Full titles differ between systems:

IPC:

Machines which completely free the mineral from the seam > Mineral freed by means not involving slitting > by jaws, buckets, or scoops that scoop-out the mineral

CPC:

Machines which completely free the mineral from the seam > Mineral freed by means not involving slitting > by jaws, buckets or scoops that scoop-out the mineral

No child classifications to compare. This is a leaf node in both IPC and CPC.