1137420

Information

• Patent Grant
• 1137420

• References
• Source

• Patent Number

  1,137,420

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1915
  110 years ago

• CPC

  • F23L7/005 - Evaporated water; Steam
  • Y10S122/14 - Tube replacement

• US Classifications

  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers