3646292

Information

• Patent Grant
• 3646292

• References
• Source

• Patent Number

  3,646,292

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • H01H3/3031 - Means for locking the spring in a charged state
  • H01H33/32 - pneumatic
  • H01H33/423 - making use of an electromagnetic wave communication

• US Classifications

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