3847797

Information

• Patent Grant
• 3847797

• References
• Source

• Patent Number

  3,847,797

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • C10G9/40 - by indirect contact with preheated fluid other than hot combustion gases

• US Classifications

  • 208 - Mineral oils: processes and products
  • 048 - Gas: heating and illuminating