1360980

Information

• Patent Grant
• 1360980

• References
• Source

• Patent Number

  1,360,980

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1920
  104 years ago

• CPC

  • F22B9/04 - the fire tubes being in upright arrangement
  • Y10S122/06 - Damper-directed radiation

• US Classifications

  • 122 - Liquid heaters and vaporizers