1235244

Information

• Patent Grant
• 1235244

• References
• Source

• Patent Number

  1,235,244

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1917
  107 years ago

• CPC

  • B60Q1/1423 - Automatic dimming circuits
  • Y10S200/17 - Gas engine and motor vehicle

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 338 - Electrical resistors