3121411

Information

• Patent Grant
• 3121411

• References
• Source

• Patent Number

  3,121,411

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1964
  61 years ago

• CPC

  • D05B3/14 - perforated or press buttons
  • D05B85/003 - with two tips and an eye in the middle

• US Classifications

  • 112 - Sewing