(under subclass 880) Subject matter wherein the support is constructed of multiple sections capable of sliding motion within each other to be extensible or retractable.
SEE OR SEARCH THIS CLASS, SUBCLASS:
823, for dipoles with telescoping arms.
871, for loop antennas with collapsible loop frames which may have telescopic features.
889, for rod antennas retractable into their supports.
901, for telescopic rod antennas.
SEE OR SEARCH CLASS 52, Static Structures (e.g., Buildings), for a residual rigid elongated structure, particularly
632, and 726.1 for axially extensible or end-to-end connected shaft sections wherein no electrical feature for Class 343 is defined.
174, Electricity: Conductors and Insulators,
69, for extensible conductors.
285, Pipe Joints or Couplings,
298+, for adjustable length pipe joints or couplings. See the Search Notes thereunder.
