1994767

Information

• Patent Grant
• 1994767

• References
• Source

• Patent Number

  1,994,767

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  90 years ago

• CPC

  • H01F41/041 - Printed circuit coils
  • H01F2017/004 - with the coil helically wound around an axis without a core
  • H01F2027/2814 - with only part of the coil or of the winding in the printed circuit board
  • Y10T29/308 - Using transitory material
  • Y10T29/4902 - Electromagnet, transformer or inductor
  • Y10T29/49071 - by winding or coiling
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 029 - Metal working
  • 336 - Inductor devices