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Class Information
Number: 281/41
Name: Books, strips, and leaves > Book, element thereof, or accessory therefor > Leaves > Flat opening > Single leaf
Description: The inventions being embodied in single leaves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6398474 |
Method of manufacturing a book block with a rounded or a rounded and pressed back |
Jun. 4, 2002 |
| 6328338 |
Page marking system and method |
Dec. 11, 2001 |
| 6099189 |
Index divider sheet assembly |
Aug. 8, 2000 |
| 5599128 |
Separating means for bound printed works with tabs projecting from the plane of the bound printed works |
Feb. 4, 1997 |
| 5462006 |
Bookmark |
Oct. 31, 1995 |
| 5040213 |
Method of renewing reference pattern stored in dictionary |
Aug. 13, 1991 |
| 4907823 |
Lottery kit |
Mar. 13, 1990 |
| 4736499 |
Equipment for unraveling threads from a fabric |
Apr. 12, 1988 |
| 4596407 |
Periodical information storage and retrieval system |
Jun. 24, 1986 |
| 4184699 |
Integral page and tab |
Jan. 22, 1980 |
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