2251494

Information

• Patent Grant
• 2251494

• References
• Source

• Patent Number

  2,251,494

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1941
  83 years ago

• CPC

  • H01H47/16 - for conjoint
  • H02H11/007 - involving automatic switching for adapting the protected apparatus to the supply voltage
  • Y10T307/74 - Switching systems

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 307 - Electrical transmission or interconnection systems
  • 338 - Electrical resistors