1250387

Information

• Patent Grant
• 1250387

• References
• Source

• Patent Number

  1,250,387

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1917
  107 years ago

• CPC

  • H01B17/12 - Special features of strain insulators
  • Y10S200/04 - High potential type insulation

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 200 - Electricity: circuit makers and breakers
  • 313 - Electric lamp and discharge devices