2781676

Information

• Patent Grant
• 2781676

• References
• Source

• Patent Number

  2,781,676

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1957
  68 years ago

• CPC

  • B29D19/04 - by cutting, milling, turning, stamping, or perforating moulded parts Surface treatment of buttons
  • B23B51/0406 - Drills with a tubular body
  • B27B5/12 - Cylinder saws
  • B23B2251/428 - Drills for cutting plugs of material

• US Classifications

  • 079 - Button making