Devices for holding book-leaves open, book-leaf clasps not
otherwise classifiable, devices having some parts permanently secured to the books for marking places therein, devices to be applied to specific kinds of books for marking places therein, and devices intended to mark positions in books, but which have other functions besides.
SEE OR SEARCH CLASS
24, Buckles, Buttons, Clasps, etc.,
67+, and 326+ for leaf clasps and fasteners.
40, Card, Picture, or Sign Exhibiting,
352+, for place-indicators for books and leaves other than those included in the above definition (subclass 42).
116, Signals and Indicators,
234+, for place-indicators for books and leaves other than those included in the above definition (subclass 42).