3211951

Information

• Patent Grant
• 3211951

• References
• Source

• Patent Number

  3,211,951

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • H03K17/288 - in tube switches
  • B60Q9/001 - Alarm devices when the motor is stopped and the lights are on
  • Y10T307/951 - With time delay or retardation means

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 307 - Electrical transmission or interconnection systems
  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices