(under subclass 767) Subject matter including two or more apertures in a surface, or two or more surfaces each having at least one aperture, all as defined in subclass 767, above.
(1) Note. A single physically continuous slot composed of a plurality of discrete and separately identifiable sections is
classified in this subclass, if each section operates separately and independently as a slot antenna. For example, a zigzag slot where each straight section is in itself a separate resonant slot is classified in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
768, for plural slot type antenna with periodic control of the slot or its coupling.
774, for stacked bi-conical horn antennas.
776+, for plural wave guide type antennas in general. 893, and the Search Notes thereunder, for plural antennas in general.
