Resources Contact Us Home
Class Information
Number: 281/4.1
Name: Books, strips, and leaves > Book and leaf > Blotter leaf
Description: Subject matter wherein the additional leaf is made of an absorbent material and is intended to be used for drying a surface that has just been written on in ink by soaking up and excess ink.

Patents under this class:

Patent Number Title Of Patent Date Issued
4270774 Method of making bingo or tombola tickets and article produced thereby Jun. 2, 1981

  Recently Added Patents
Human activity monitoring device
System and method for displaying relationships between electronically stored information to provide classification suggestions via inclusion
Respirator belt having bumper cushion
Methods and system for displaying segmented images
Contactless electrical connector for an induction sensor, and sensor including such a connector
Tungsten barrier and seed for copper filled TSV
Cordless hand blender
  Randomly Featured Patents
Apparatus for processing data for a video tape recorder
Photographic camera having a double exposure protection device combined with a film cartridge indicator
Polish formulations
Apparatus for extracting air from packages
Semiconductor device provided with sense circuits
Head-up displays
Removal of surface oxides by electron attachment
Pressure-sensitive adhesives
Stator coil driver circuit for a brushless DC motor
Precision driving apparatus