2520131

Information

• Patent Grant
• 2520131

• References
• Source

• Patent Number

  2,520,131

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1950
  74 years ago

• CPC

  • H01H63/22 - using step-by-step electromagnetic drive without ratchet
  • Y10T74/18152 - Belt or chain carried member

• US Classifications

  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers