3216489

Information

• Patent Grant
• 3216489

• References
• Source

• Patent Number

  3,216,489

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1965
  59 years ago

• CPC

  • D21F5/024 - using electrical means
  • D21F5/027 - using a heat-transfer fluid between the heating means and the cylinder shell

• US Classifications

  • 165 - Heat exchange
  • 219 - Electric heating