3472989

Information

• Patent Grant
• 3472989

• References
• Source

• Patent Number

  3,472,989

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • B41C3/04 - to produce rubber printing blocks
  • B29C33/02 - with incorporated heating or cooling means
  • B29C33/08 - for dielectric heating
  • B29C43/00 - Compression moulding
  • B29C2035/0211 - resistance heating
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2031/767 - Printing equipment or accessories therefor

• US Classifications

  • 219 - Electric heating