DIFF Subgroup
B27M 3/02 of roofing elements, e.g. shingles
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Manufacture or reconditioning of specific semi-finished or finished articles > of roofing elements, e.g. shingles
CPC:
Manufacture or reconditioning of specific semi-finished or finished articles (features of copying devices B23Q; manufacture of plywood or veneer, shaping plywood or veneer into articles B27D; of central layers for plywood B27D1/06; nailing or stapling machines in general B27F7/00; of elements for cooperage or wheel making B27H ) > of roofing elements, e.g. shingles
No child classifications to compare. This is a leaf node in both IPC and CPC.