2799740

Information

• Patent Grant
• 2799740

• References
• Source

• Patent Number

  2,799,740

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1957
  66 years ago

• CPC

  • G06M3/024 - by adding
  • G06M3/021 - with drums type indicating means

• US Classifications

  • 200 - Electricity: circuit makers and breakers