812448

Information

• Patent Grant
• 812448

• References
• Source

• Patent Number

  812,448

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1906
  120 years ago

• CPC

  • F22G7/105 - for locomotive boilers
  • Y10S122/11 - Removable steam-heating elements

• US Classifications

  • 122 - Liquid heaters and vaporizers