3508705

Information

• Patent Grant
• 3508705

• References
• Source

• Patent Number

  3,508,705

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • H04M1/278 - using punched cards or tapes
  • G06K1/06 - Manually-controlled device

• US Classifications

  • 234 - Selective cutting