2057172

Information

• Patent Grant
• 2057172

• References
• Source

• Patent Number

  2,057,172

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1936
  88 years ago

• CPC

  • F22D5/18 - for varying the speed or delivery pressure of feed pumps

• US Classifications

  • 122 - Liquid heaters and vaporizers