having interlocking portion with specific shape

Full Title

Buckles, buttons, clasps, etc. > Zipper or required component thereof > Interlocking surface constructed from plural elements in series > having interlocking portion with specific shape

Child Classifications

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• Y10T 24/2552 including symmetrical formations on opposite walls for engaging mating elements
• Y10T 24/2554 including complementary formations on opposite walls for engaging mating elements