3696794

Information

• Patent Grant
• 3696794

• References
• Source

• Patent Number

  3,696,794

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  53 years ago

• CPC

  • F22B21/14 - involving a single upper drum and two or more lower drums

• US Classifications

  • 122 - Liquid heaters and vaporizers