3670673

Information

• Patent Grant
• 3670673

• References
• Source

• Patent Number

  3,670,673

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • D05B3/16 - shank buttons
  • D05B3/22 - Article-
  • D05D2207/04 - Suction or blowing devices

• US Classifications

  • 112 - Sewing