1722768

Information

• Patent Grant
• 1722768

• References
• Source

• Patent Number

  1,722,768

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1929
  95 years ago

• CPC

  • H01H37/004 - with thermal image
  • H01H71/40 - Combined electrothermal and electromagnetic mechanisms

• US Classifications

  • 361 - Electricity: electrical systems and devices