3682033

Information

• Patent Grant
• 3682033

• References
• Source

• Patent Number

  3,682,033

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • G06K21/06 - Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
  • Y10S83/917 - Notching
  • Y10T83/851 - Indicator comprising work or product
  • Y10T83/856 - To work-engaging member
  • Y10T83/8737 - With tool positioning means synchronized with cutting stroke
  • Y10T83/8742 - Tool pair positionable as a unit
  • Y10T83/8749 - By pivotal motion
  • Y10T83/9444 - Shear type

• US Classifications

  • 083 - Cutting
  • 234 - Selective cutting