2200804

Information

• Patent Grant
• 2200804

• References
• Source

• Patent Number

  2,200,804

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1940
  84 years ago

• CPC

  • H01H63/22 - using step-by-step electromagnetic drive without ratchet

• US Classifications

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