1933051

Information

• Patent Grant
• 1933051

• References
• Source

• Patent Number

  1,933,051

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1933
  91 years ago

• CPC

  • F27B9/145 - the charge moving along a serpentine path

• US Classifications

  • 432 - Heating