1784638

Information

• Patent Grant
• 1784638

• References
• Source

• Patent Number

  1,784,638

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1930
  94 years ago

• CPC

  • F22B37/303 - specially adapted for boiler drums

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 055 - Gas separation