3841275

Information

• Patent Grant
• 3841275

• References
• Source

• Patent Number

  3,841,275

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • F22B21/14 - involving a single upper drum and two or more lower drums
  • F22B21/007 - specially adapted for locomotives

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 410 - Freight accommodation on freight carrier