3737990

Information

• Patent Grant
• 3737990

• References
• Source

• Patent Number

  3,737,990

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • H01F41/04 - for manufacturing coils
  • B21J7/30 - operated by electro-magnets
  • B21J15/24 - operated by electro-magnets
  • H01F7/202 - Electromagnets for high magnetic field strength
  • Y10S29/033 - Scoring with other step
  • Y10T29/49071 - by winding or coiling

• US Classifications

  • 029 - Metal working
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 336 - Inductor devices