1328825

Information

• Patent Grant
• 1328825

• References
• Source

• Patent Number

  1,328,825

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1920
  104 years ago

• CPC

  • H01H50/74 - Mechanical means for producing a desired natural frequency of operation of the contacts

• US Classifications

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