(under subclass 68.1) Structures constructed to be axially extensible. In some of these devices the structure causes the device normally to assume a coiled form.
(1) Note. For extensible or elastic woven fabrics, see Class 139, Textiles: Weaving, subclasses 421+.
(2) Note. See Class 191, Electricity: Transmission to Vehicles, subclasses 12+.
(3) Note. See Class 267, Spring Devices.
SEE OR SEARCH CLASS
343, Communications: Radio Wave Antennas,
723, 823, 877, and 901+ for antennas which are adjustable in length.
