2152478

Information

• Patent Grant
• 2152478

• References
• Source

• Patent Number

  2,152,478

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1939
  85 years ago

• CPC

  • H02B11/18 - with isolation by vertical withdrawal

• US Classifications

  • 361 - Electricity: electrical systems and devices