3889223

Information

• Patent Grant
• 3889223

• References
• Source

• Patent Number

  3,889,223

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • H01C17/2408 - by pulsed voltage erosion
  • H05K1/167 - incorporating printed resistors
  • H05K3/08 - the conductive material being removed by electric discharge
  • Y10T29/49099 - Coating resistive material on a base

• US Classifications

  • 338 - Electrical resistors
  • 029 - Metal working