2853566

Information

• Patent Grant
• 2853566

• References
• Source

• Patent Number

  2,853,566

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1958
  66 years ago

• CPC

  • E21C27/26 - by closely adjacent cutter chains acting on the full working face

• US Classifications

  • 200 - Electricity: circuit makers and breakers