Resources Contact Us Home
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
8308054 Customizable folder Nov. 13, 2012
8308195 Small book fabrication system Nov. 13, 2012
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

  Recently Added Patents
Lubricant composition
Diameter signaling for mobile IPv4
System and method of error reporting in a video distribution network
Printing apparatus
System and method for the analysis of biodiesel
Conductor-mixed active electrode material, electrode structure, rechargeable battery, and manufacturing method of conductor-mixed active electrode material
Image stabilization
  Randomly Featured Patents
Cup holder
MOS image sensor
Floating gasket plate for paint cup on spray gun
Annular shaped dispenser of personal care material
Contact member for miniature electrical circuit connector
System for automatically processing and printing the contents and the format of a text
Powdered medicament-mixed gas injecting apparatus and powdered medicament-mixed gas injecting nozzle to be connected to the same
Device and method for the sterilization of compressed air for medical use
Low power and high efficiency voltage-to-current converter with improved power supply rejection
Kaolin intercalation complexes and processes for forming the same