2143206

Information

• Patent Grant
• 2143206

• References
• Source

• Patent Number

  2,143,206

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  86 years ago

• CPC

  • G09F13/30 - with moving light sources

• US Classifications

  • 200 - Electricity: circuit makers and breakers