1986336

Information

• Patent Grant
• 1986336

• References
• Source

• Patent Number

  1,986,336

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1935
  90 years ago

• CPC

  • F22G7/065 - for locomotive boilers

• US Classifications

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