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Class Information
Number: 281
Name: Books, strips, and leaves >
Description: 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.










Class Number Class Name No. of Patents
281/3.1

Book and leaf

66
281/4.1

Blotter leaf

1
281/4

Removable cover

16
281/45

Book or leaf holder

410
281/46

Cooperating with leaf fold

57
281/47

Continuous with fold

34
281/49

Hinged

25
281/48

Pliant, deformable means

36
281/50

Extending through aperture at juncture

8
281/15.1

Book, element thereof, or accessory therefor

566
281/21.1

Binding

430
281/23

Continuous strip

27
281/28

Elements

91
281/24

Guard

2
281/27.3

Metallic

24
281/27.1

Ring or arch

42
281/27.2

Metallic

20
281/22

Scrapbook

81
281/27

Sewed

13
281/26

Undercut slot

3
281/43

Book hanger

55
281/29

Covers

493
281/36

Backs

154
281/33

Easel type

78
281/35

Flexible

73
281/34

Removable

91
281/37

Sides

154
281/30

With pencils

59
281/31

With pockets

368
281/32

With pulls

11
281/38

Leaves

365
281/42

Book-leaf holders and marks

233
281/39

Erasable surface

18
281/40

Flat opening

29
281/41

Single leaf

12
281/16

Multiple

41
281/17

Removable cover

25
281/44

Pad holder

81
281/20

Protectors

51
281/19.1

Removable cover

63
281/19.2

Loop engaging

7
281/18

Sealed

30
281/DIG.1

Magnet

17
281/51

Miscellaneous

261
281/2

Strips and leaves

309
281/5

Strips

297
281/14

Strip retained

8
281/6

With platen

6
281/10

Leaf retained

2
281/7

Strip retained

13
281/9

With attaching means

11
281/8

With feed

6
281/12

With attaching means

16
281/13

Wall

4
281/11

With feed

3
 
 
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