2277867

Information

• Patent Grant
• 2277867

• References
• Source

• Patent Number

  2,277,867

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1942
  82 years ago

• CPC

  • H03K17/28 - Modifications for introducing a time delay before switching
  • H01H63/20 - using stepping magnet and ratchet
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices