1784426

Information

• Patent Grant
• 1784426

• References
• Source

• Patent Number

  1,784,426

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1930
  94 years ago

• CPC

  • F22B1/146 - Loffler boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers