2452961

Information

• Patent Grant
• 2452961

• References
• Source

• Patent Number

  2,452,961

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1948
  76 years ago

• CPC

  • H01H33/6664 - with pivoting movable contact structure
  • H01F27/402 - Association of measuring or protective means
  • H01H5/02 - Energy stored by the attraction or repulsion of magnetic parts
  • H01H75/04 - Reset mechanisms for automatically reclosing a limited number of times
  • H02H5/06 - in oil-filled electric apparatus
  • H02H7/04 - for transformers
  • H01F2027/404 - Protective devices specially adapted for fluid filled transformers
  • H01F2027/406 - Temperature sensor or protection

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches