2787686

Information

• Patent Grant
• 2787686

• References
• Source

• Patent Number

  2,787,686

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  67 years ago

• CPC

  • H01H33/886 - by movement of rotating pistons

• US Classifications

  • 218 - High-voltage switches with arc preventing or extinguishing devices