2173717

Information

• Patent Grant
• 2173717

• References
• Source

• Patent Number

  2,173,717

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1939
  85 years ago

• CPC

  • H01B9/0672 - having the shape of a disc

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 174 - Electricity: conductors and insulators
  • 310 - Electrical generator or motor structure