2892988

Information

• Patent Grant
• 2892988

• References
• Source

• Patent Number

  2,892,988

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1959
  65 years ago

• CPC

  • H01C7/022 - mainly consisting of non-metallic substances
  • H01C7/023 - containing oxides or oxidic compounds

• US Classifications

  • 338 - Electrical resistors
  • 252 - Compositions