1992497

Information

• Patent Grant
• 1992497

• References
• Source

• Patent Number

  1,992,497

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1935
  90 years ago

• CPC

  • F22G7/105 - for locomotive boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers