2447488

Information

• Patent Grant
• 2447488

• References
• Source

• Patent Number

  2,447,488

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1948
  76 years ago

• CPC

  • H01H61/002 - Structural combination of a time delay electrothermal relay with an electrothermal protective relay
  • H01H73/60 - Cartridge type
  • H02P1/42 - for starting an individual single-phase induction motor

• US Classifications

  • 318 - Electricity: motive power systems
  • 337 - Electricity: electrothermally or thermally actuated switches