421781

Information

• Patent Grant
• 421781

• References
• Source

• Patent Number

  421,781

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1890
  135 years ago

• CPC

  • H01B3/082 - Wires with glass or glass wool
  • A47B2200/0083 - Cable or current inlet for drawer or shelf

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 338 - Electrical resistors