1921629

Information

• Patent Grant
• 1921629

• References
• Source

• Patent Number

  1,921,629

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • F22G7/065 - for locomotive boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers