1213144

Information

• Patent Grant
• 1213144

• References
• Source

• Patent Number

  1,213,144

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1917
  108 years ago

• CPC

  • H01B3/38 - condensation products of aldehydes with amines or amides

• US Classifications

  • 528 - Synthetic resins or natural rubbers
  • 174 - Electricity: conductors and insulators
  • 310 - Electrical generator or motor structure
  • 336 - Inductor devices