3552678

Information

• Patent Grant
• 3552678

• References
• Source

• Patent Number

  3,552,678

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • D05B51/00 - Applications of needle-thread guards Thread-break detectors
  • D04B15/54 - Thread guides

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 112 - Sewing