2068187

Information

• Patent Grant
• 2068187

• References
• Source

• Patent Number

  2,068,187

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1937
  87 years ago

• CPC

  • F22B21/002 - involving a single upper drum

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 140 - Wireworking
  • 285 - Pipe joints or couplings