1869986

Information

• Patent Grant
• 1869986

• References
• Source

• Patent Number

  1,869,986

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1932
  92 years ago

• CPC

  • F22G7/065 - for locomotive boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers