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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01Q 13/24

constituted by a dielectric or ferromagnetic rod or pipe (H01Q13/28 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: constituted by a dielectric or ferromagnetic rod or pipe

CPC: constituted by a dielectric or ferromagnetic rod or pipe (H01Q13/28 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave > Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave > constituted by a dielectric or ferromagnetic rod or pipe

CPC:

Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave > Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave > constituted by a dielectric or ferromagnetic rod or pipe (H01Q13/28 takes precedence)

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