2774920

Information

• Patent Grant
• 2774920

• References
• Source

• Patent Number

  2,774,920

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  67 years ago

• CPC

  • H02M7/36 - with electromagnetically-operated vibrating contacts
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 307 - Electrical transmission or interconnection systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 363 - Electric power conversion systems