2820150

Information

• Patent Grant
• 2820150

• References
• Source

• Patent Number

  2,820,150

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1958
  66 years ago

• CPC

  • H01H83/00 - Protective switches
  • H01H50/22 - wherein the magnetic circuit is substantially closed
  • H01H50/88 - Mechanical means
  • H01H71/685 - in which the excitation of the electromagnet is interrupted by abnormal conditions
  • Y10T307/438 - Limit control
  • Y10T307/74 - Switching systems

• US Classifications

  • 307 - Electrical transmission or interconnection systems