2424974

Information

• Patent Grant
• 2424974

• References
• Source

• Patent Number

  2,424,974

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1947
  77 years ago

• CPC

  • H01F41/04 - for manufacturing coils
  • H01F41/098 - Mandrels Formers
  • Y10S470/905 - Wire coil insert
  • Y10T29/49071 - by winding or coiling
  • Y10T29/49073 - by assembling coil and core
  • Y10T29/49881 - of separate helix [e.g., screw thread]
  • Y10T29/53691 - Means to insert or remove helix

• US Classifications

  • 029 - Metal working
  • 072 - Metal deforming
  • 470 - Threaded, headed fastener, or washer making: process and apparatus