2668884

Information

• Patent Grant
• 2668884

• References
• Source

• Patent Number

  2,668,884

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  71 years ago

• CPC

  • H01H1/065 - formed by freely suspended particles
  • H01H61/002 - Structural combination of a time delay electrothermal relay with an electrothermal protective relay
  • H01H71/142 - actuated due to change of magnetic permeability
  • Y10T74/20636 - Detents

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 074 - Machine element or mechanism
  • 318 - Electricity: motive power systems
  • 361 - Electricity: electrical systems and devices