Cavity having specific shape

Full Title

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 > Cavity having specific shape

Child Classifications

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• Y10T 24/4599 including closed elongated access opening for guiding transverse projection travel after insertion
• Y10T 24/45995 having access opening with gapped perimeter for allowing movement of noninserted projection support therepast