1940070

Information

• Patent Grant
• 1940070

• References
• Source

• Patent Number

  1,940,070

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • F22D7/02 - Saddles or like directing plates fitted to furnace tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers