For a Utility document, enter the CPC Subclass designation in the Subclass entry box, enter the
main group (before the slash) in the first Subgroup entry box and the subgroup (after the slash) in the second Subgroup
entry box, then click on the
button.
For a Design or Plant document, enter the US Class designation in the Class entry box and the
Subclass number in the Subclass entry box, then click on the
button.
Note:
You must enter a CPC Subclass
designation for Utility documents, but a CPC Subgroup designation is optional. You must enter a USPC Class designation
for Design or Plant documents, but a USPC Subclass designation is optional.