1931267

Information

• Patent Grant
• 1931267

• References
• Source

• Patent Number

  1,931,267

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1933
  91 years ago

• CPC

  • H02M7/36 - with electromagnetically-operated vibrating contacts

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets