2174597

Information

• Patent Grant
• 2174597

• References
• Source

• Patent Number

  2,174,597

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  86 years ago

• CPC

  • F27D1/1684 - by a special coating applied to the lining
  • F27D1/08 - Bricks or blocks with internal reinforcement or metal backing

• US Classifications

  • 266 - Metallurgical apparatus
  • 052 - Static structures
  • 165 - Heat exchange