Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/445
Name: Abrading > Accessory > Erasing shield
Description: Accessory intended to be used in association with an eraser, which accessory is either (a) to be interposed between the active surface of a carbon sheet and an underlying sheet to prevent sullying of the underlying sheet during an erasure operation or (b) has holes therethrough to define limits of an erasure area when the accessory is positioned over a sheet requiring erasure.

Patents under this class:

Patent Number Title Of Patent Date Issued
7459056 Pad conditioning head for CMP process Dec. 2, 2008
6974366 Garment image abrasion system and method Dec. 13, 2005
6929536 System for chemical mechanical polishing comprising an improved pad conditioner Aug. 16, 2005
6106381 Grinding device for sharpening the clothing of a carding cylinder Aug. 22, 2000
5810644 Method of shaping a friction facing for friction plate assemblies Sep. 22, 1998
4355382 Apparatus for sharpening a cutting stylus Oct. 19, 1982
4093754 Method of making decorative panels Jun. 6, 1978

  Recently Added Patents
Highly specialized application protocol for email and SMS and message notification handling and display
Use of beta-adrenoceptor antagonists for the manufacture of a medicament of the treatment of disorders of the outer retina
Display device and method of manufacturing the same
Modification of an object replica
Methods of prognosing a rheumatoid arthritis remission phenotype
Server-side web analytics system and method
Optoelectronic devices and a method for producing the same
  Randomly Featured Patents
Card connector for receiving information card with identifier therein
Symmetrical data signal processing
Continuous casting plant for casting beam blanks
Thermal power plant, steam turbine and control method for a thermal power plant
Pyrazole and pyrrole carboxamide insecticides
Process and reactor for anaerobic waste water purification
Accelerated rotation for displaying an image
Method and apparatus to provide tiered wireless network access
Flexible magnetic disk cartridge
Volumetric physiological measuring system and method