2992772

Information

• Patent Grant
• 2992772

• References
• Source

• Patent Number

  2,992,772

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1961
  63 years ago

• CPC

  • G06C11/08 - with punching mechanism

• US Classifications

  • 234 - Selective cutting
  • 235 - Registers