3309574

Information

• Patent Grant
• 3309574

• References
• Source

• Patent Number

  3,309,574

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  57 years ago

• CPC

  • H02H5/086 - of cooling or lubricating fluids

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 392 - Electric resistance heating devices