1795317

Information

• Patent Grant
• 1795317

• References
• Source

• Patent Number

  1,795,317

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1931
  93 years ago

• CPC

  • F22D1/38 - Constructional features of water and air preheating systems

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 165 - Heat exchange