US PATENT CLASS 281
Class Notes


Current as of: June, 1999
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281 /   HD   BOOKS, STRIPS, AND LEAVES



DEFINITION

Classification: 281/

Books, strips, and leaves and various combinations thereof, combinations thereof with other things for which no other place is provided, processes of making where the processes are fully disclosed in the articles, and accessories to books, strips, and leaves, such as protectors, book-leaf holders and marks, and holders, therefor, for which no other place is provided.

LINES WITH OTHER CLASSES

Leaf arrangements which merely facilitate removal of a leaf from an arrangement or package are found in Class 206, Special Receptacle or Package, subclasses 449+; the inclusion of means to separate a leaf from the residue so that it may be dispensed and will effect classification in Class 221, Article Dispensing. A permanently bound book with leaf perforations for leaf removal is found in this class (281).

A sheet retention means providing nondestructive sheet recovery therefrom in combination with the sheet mounted thereon and where such sheet in addition includes structure (e.g., line of perforations, etc.), permitting destructive recovery of a portion thereof is placed in Class 402, Binder Device Releasably Engaging Aperture or Notch of Sheet.

REFERENCES TO OTHER CLASSES

SEE OR SEARCH CLASS

24, Buckles, Buttons, Clasps, etc.,

2, for a device specially adapted for the purpose of keeping an album and other book-like structure closed when not in use.

40, Card, Picture, or Sign Exhibiting, 642.02+, for a label holder, per se, or in combination with a label; subclasses 124.01+ for a card having advertising matter or pictures thereon; subclass 359 for a folder including identification means in the form of a label, label

holder or a portion intended to receive indicia and subclass 360 for a sheet including identification means in the form of a label, label holder or tab to receive indicia.

112, Sewing,

400+, for a sewn single or plural layer stock material product.

162, Paper Making and Fiber Liberation, appropriate subclasses for (1) a single-layer, waterlaid, fibrous sheet or web, or (2) a plural-layer sheet or web including a layer of fibers applied to a second layer by a process provided for in that class (162); 181.1 and particularly

141, which include any nonstructural fiber (or fiber-containing) sheet or web (e.g., a particular blend of fibers), regardless of whether waterlaid or not).

206, Special Receptacle or Package

449+, for a sheet package and see Lines With Other Classes, above.

221, Article Dispensing, appropriate subclasses for devices not otherwise provided for, for dispensing or feeding discrete articles from a source of supply, and especially

33+, for such devices in which flexible sheet-like articles are distorted as they are separated from the source of supply.

225, Severing by Tearing or Breaking, appropriate subclasses, especially

27+, for pads or stacks of individual sheets, and subclass 32 for zigzag folded supply package. 226, Advancing Material of Indeterminate Length.

242, Winding, Tensioning, or Guiding,

550+, and 570+ for an unwinding device or coil holder of general use.

283, Printed Matter, for (1) a strip, book or leaf bearing indicia which primarily effect an intellectual impression other than the aesthetic or (2) the combination of such strip, book or leaf with other things not classifiable elsewhere.

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product in the form of a single or plural layer web, or sheet, especially

121+, for such a product which is folded, subclasses 131+ for such a product which includes a component having apertures,

and subclasses 156+ for such a product including a component which varies in thickness, subclass 181 for such a product including a component which is nonplanar, but of uniform, thickness, and comprises parallel adjacent folds (e.g., pleats).

GLOSSARY:

BOOK

Consists of two or more sheets secured together (a) only at their margins or (b) only at a restricted field within the margins or (c) only at their margins and at a restricted field within the margins. A folded sheet has not been classified as a book. When a margin of one sheet is attached to a margin of another sheet to obtain in effect a single sheet of greater area, the resulting article is still regarded as a sheet rather than a book.

LEAF

A sheet other than a strip. SHEET

A body having two parallel surfaces both dimensions of which are large in comparison with the third dimension of the body.

STRIP

A sheet folded back and forth along at least two fold lines and unattached to anything or attached to a backing either at the ends only or in such a way that the folded portions can be successively released without mutilation, or it is a sheet rolled up. Also patents claiming fold lines or other features for so folding or rolling up sheets are classified as "strips".