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PCE
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DIFF Subgroup
H01Q 1/38

formed by a conductive layer on an insulating support

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of, or arrangements associated with, antennas > Structural form of radiating elements, e.g. cone, spiral, umbrella > formed by a conductive layer on an insulating support

CPC:

Details of, or arrangements associated with, antennas (arrangements for varying orientation of directional pattern H01Q3/00) > Structural form of radiating elements, e.g. cone, spiral, umbrella; (H01Q1/08, H01Q1/14 take precedence) > formed by a conductive layer on an insulating support

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