1452681

Information

• Patent Grant
• 1452681

• References
• Source

• Patent Number

  1,452,681

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1923
  101 years ago

• CPC

  • B60Q1/34 - for indicating change of drive direction
  • Y10S200/17 - Gas engine and motor vehicle

• US Classifications

  • 116 - Signals and indicators
  • 200 - Electricity: circuit makers and breakers