Y10T24/4555 - CPC Classification

Buckles, buttons, clasps, etc.; Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith; Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment forming total external surface of projection and encircling hollow central area

• Y10T24/45555 » having separate mounting means inserted into area 1
• Y10T24/45565 » having separate mounting means encompassing cross section of projection 1
• Y10T24/45571 » having dome-shaped head and expansion slit along side 0