2542668

Information

• Patent Grant
• 2542668

• References
• Source

• Patent Number

  2,542,668

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1951
  73 years ago

• CPC

  • H01H50/72 - for mercury contact

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets