1903643

Information

• Patent Grant
• 1903643

• References
• Source

• Patent Number

  1,903,643

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1933
  92 years ago

• CPC

  • H01H21/14 - Means for increasing contact pressure

• US Classifications

  • 200 - Electricity: circuit makers and breakers