US Patent Class 281
BOOKS, STRIPS, AND LEAVES




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Current as of: June, 1999
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  DF  CLASS NOTES
2  DF  STRIPS AND LEAVES
3.1  DF  BOOK AND LEAF
4  DF  .~ Removable cover
4.1  DF  .~ Blotter leaf
5  DF  STRIPS
6  DF  .~ With platen
7  DF  .~.~ Strip retained
8  DF  .~.~.~ With feed
9  DF  .~.~.~ With attaching means
10  DF  .~.~ Leaf retained
11  DF  .~.~ With feed
12  DF  .~.~ With attaching means
13  DF  .~.~.~ Wall
14  DF  .~ Strip retained
15.1  DF  BOOK, ELEMENT THEREOF, OR ACCESSORY THEREFOR
16  DF  .~ Multiple
17  DF  .~.~ Removable cover
18  DF  .~ Sealed
19.1  DF  .~ Removable cover
19.2  DF  .~.~ Loop engaging
20  DF  .~ Protectors
21.1  DF  .~ Binding
22  DF  .~.~ Scrapbook
23  DF  .~.~ Continuous strip
24  DF  .~.~ Guard
26  DF  .~.~ Undercut slot
27  DF  .~.~ Sewed
27.1  DF  .~.~ Ring or arch
27.2  DF  .~.~.~ Metallic
27.3  DF  .~.~ Metallic
28  DF  .~.~ Elements
29  DF  .~ Covers
30  DF  .~.~ With pencils
31  DF  .~.~ With pockets
32  DF  .~.~ With pulls
33  DF  .~.~ Easel type
34  DF  .~.~ Removable
35  DF  .~.~ Flexible
36  DF  .~.~ Backs
37  DF  .~.~ Sides
38  DF  .~ Leaves
39  DF  .~.~ Erasable surface
40  DF  .~.~ Flat opening
41  DF  .~.~.~ Single leaf
42  DF  .~.~ Book-leaf holders and marks
43  DF  .~ Book hanger
44  DF  .~ Pad holder
45  DF  BOOK OR LEAF HOLDER
46  DF  .~ Cooperating with leaf fold
47  DF  .~.~ Continuous with fold
48  DF  .~.~.~ Pliant, deformable means
49  DF  .~.~.~ Hinged
50  DF  .~.~ Extending through aperture at juncture
51  DF  MISCELLANEOUS
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