US PATENT SUBCLASS 24 / 598.2
.~.~.~ Entire projection member forms loop or ring when interlocked

Current as of: June, 1999
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24 /   HD   BUCKLES, BUTTONS, CLASPS, ETC.

572  DF  SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF {5}
588  DF  .~ Including receiving member having cavity and mating member having insertable projection guided to interlock thereby {12}
598.1  DF  .~.~ Projection passes through cavity then moves toward noninserted portion of its member to complete interlock (e.g., snap hook) {2}
598.2.~.~.~ Entire projection member forms loop or ring when interlocked {1}
598.3  DF  .~.~.~.~> Includes slidable gate closing entrance throat

DEFINITION

Classification: 24/598.2

Entire projection member forms loop or ring when interlocked:

(under subclass 598.1) Projection member wherein the projection and the directly cooperating portion of its member which is initially noninserted have curved shapes and together (a) form substantially the complete structure of the projection member and (b) in their interlocking position have a closed annular or oval shaped outer circumference which is passable through the cavity in either direction when turned.

SEE OR SEARCH THIS CLASS, SUBCLASS:

573.1, and 573.5, for a totally detachable loop or ring linking two spaced cavities.

SEE OR SEARCH CLASS

59, Chain, Staple, and Horseshoe Making,

85+, for a detachable chain link.

152, Resilient Tires and Wheels, 241+, for devices for securing a tire chain to a wheel.