IPC Subgroup
H01P 3/123 with a complex or stepped cross-section, e.g. ridged or grooved waveguides
Introduced: January 1980
Last revised: January 2006
Full Title
Waveguides; Transmission lines of the waveguide type > Hollow waveguides > with a complex or stepped cross-section, e.g. ridged or grooved waveguides
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE