US Patent Class 281-- BOOKS, STRIPS, AND LEAVES

US Patent Class 281
BOOKS, STRIPS, AND LEAVES

	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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