3820460

Information

• Patent Grant
• 3820460

• References
• Source

• Patent Number

  3,820,460

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  51 years ago

• CPC

  • B41F27/02 - Magnetic devices
  • B32B3/28 - characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane
  • B41C3/08 - Electrotyping Application of backing layers thereon
  • B41N1/06 - for relief printing or intaglio printing
  • B41N6/00 - Mounting boards; Sleeves Make-ready devices

• US Classifications

  • 101 - Printing