(under subclass 700) Subject matter wherein the active portion of the antenna is claimed to be at least partially buried under the ground or submerged in water under operative conditions.
(1) Note. For classification in this subclass, the active antenna must be at least partially buried under the ground or submerged in water generally. Antennas having a liquid-filled housing and liquid column antennas placed above ground are not classified her, but in subclasses 700 and 872+ respectively.
SEE OR SEARCH THIS CLASS, SUBCLASS:
709+, for water-borne antennas.
829+, for fractional, multiple, or full wave linear type antennas with grounding structure.
841+, for antennas with electrical shields which may be used underground or under water.
845, for antennas with a ground connection spaced from the feed line connection. 846+, for antennas with grounding structure, including counterpoises.
872+, for antennas with a housing or protective covering which may be used underground or underwater.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
6+, for earth grounds for electrical apparatus generally, and subclasses 37+ for underground conductors.
