3521677

Information

• Patent Grant
• 3521677

• References
• Source

• Patent Number

  3,521,677

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • H01F27/004 - Arrangements for interchanging inductances, transformers or coils thereof
  • H03J3/00 - Continuous tuning
  • Y10T29/49004 - including measuring or testing of device or component part
  • Y10T29/49071 - by winding or coiling

• US Classifications

  • 140 - Wireworking
  • 029 - Metal working
  • 072 - Metal deforming