(under subclass 337) Subject matter wherein the securing means is composed of a springy metal material such that the fastening means is at least in part retained in its securing position by the resilient nature of the material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
372, for a headed fastener element provided with a washer or cap wherein a separate means is used to attach or retain the washer or cap to the fastener element.
516+, for a resilient metallic sheet or wire formed securing means, per se.
SEE OR SEARCH CLASS
24, Buckles, Buttons, Clasps, etc.,
213+, for resilient mating head and socket separable fasteners. 37, Excavating,
457, and 458+ for resilient connections between scoop buckets and teeth.
74, Machine Element or Mechanism,
470, for resilient connections in control lever and linkage systems; and subclasses 500.5+ for resilient connections in hand operated flexible control systems.
248, Supports,
74, for resilient ring, or clamp pipe, or cable supports.