2552640

Information

• Patent Grant
• 2552640

• References
• Source

• Patent Number

  2,552,640

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1951
  73 years ago

• CPC

  • H01C7/046 - Iron oxides or ferrites
  • Y10T29/49098 - Applying terminal

• US Classifications

  • 029 - Metal working
  • 338 - Electrical resistors
  • 432 - Heating