1797959

Information

• Patent Grant
• 1797959

• References
• Source

• Patent Number

  1,797,959

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1931
  94 years ago

• CPC

  • H01H1/50 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
  • H01H2001/508 - with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 218 - High-voltage switches with arc preventing or extinguishing devices