US PATENT SUBCLASS 172 / 750
.~.~ Self-engaging snap fastener

Current as of: June, 1999
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172 /   HD   EARTH WORKING

681  DF  TOOL, STANDARD OR CONNECTION {32}
749  DF  .~ Having separable parts interconnected without detachable fastening means {2}
750.~.~ Self-engaging snap fastener

DEFINITION

Classification: 172/750

(under subclass 749) Apparatus in which one of the members carries a resilient or resiliently biased part which automatically engages and locks the other part when the two parts are brought together in assembled relationship.