2198778

Information

• Patent Grant
• 2198778

• References
• Source

• Patent Number

  2,198,778

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1940
  84 years ago

• CPC

  • F22B1/146 - Loffler boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers