2009883

Information

• Patent Grant
• 2009883

• References
• Source

• Patent Number

  2,009,883

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1935
  89 years ago

• CPC

  • F22G7/02 - in fire tubes

• US Classifications

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