2820960

Information

• Patent Grant
• 2820960

• References
• Source

• Patent Number

  2,820,960

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • G10K1/348 - electrically operated

• US Classifications

  • 340 - Communications: electrical
  • 116 - Signals and indicators
  • 310 - Electrical generator or motor structure