1639539

Information

• Patent Grant
• 1639539

• References
• Source

• Patent Number

  1,639,539

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • H01H21/54 - Lever switches with blade-type contact co-operating with one or two spring-clip contacts

• US Classifications

  • 200 - Electricity: circuit makers and breakers