US PATENT SUBCLASS 24 / 575
.~ Each mating member having similarly shaped, sized, and operated interlocking face

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

572  DF  SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF {5}
575.~ Each mating member having similarly shaped, sized, and operated interlocking face {4}
576  DF  .~.~> Including elongated face having identical, parallel cross sections throughout its length
577  DF  .~.~> Including elongated face having varying, parallel cross sections throughout its length
578  DF  .~.~> Including complementary shaped and alternately useable interlocking faces
579.1  DF  .~.~> Single piece hook-shaped member (e.g., mating garment hooks)

DEFINITION

Classification: 24/575

Each mating member having similarly shaped, sized, and operated interlocking face:

(under subclass 572) Separable-fastener* wherein the interlocking faces of each of the two dissociable, mating members have (a) approximately the same structural configuration and size, and (b) require the same manipulation to maneuver them together into mutual interlocking contact.

(1) Note. For a separable-fastener* to be proper for this subclass and the indented subclasses, the interlocking faces of the mating members must be capable of receiving each other to the same degree or alternately when maneuvered into contact. Mating members which have a similar shape, but which have a variation in sizes so that one member always surrounds a greater area of the other member are classified in other subclasses located below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391+, for zippers* having two similarly shaped, sized, and operated, coiled interlocking surfaces.