3307781

Information

• Patent Grant
• 3307781

• References
• Source

• Patent Number

  3,307,781

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1967
  57 years ago

• CPC

  • H04L17/20 - using perforating recorders
  • G06K1/06 - Manually-controlled device
  • H04L17/08 - combined with perforating apparatus

• US Classifications

  • 234 - Selective cutting