1690291

Information

• Patent Grant
• 1690291

• References
• Source

• Patent Number

  1,690,291

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1928
  95 years ago

• CPC

  • H01B17/10 - by intermediate link

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 059 - Chain, staple, and horseshoe making