3776085

Information

• Patent Grant
• 3776085

• References
• Source

• Patent Number

  3,776,085

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • B42B5/10 - the elements being of castellated or comb-like form
  • G06K21/06 - Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards
  • H04L13/06 - Tape or page guiding or feeding devices
  • Y10S83/917 - Notching
  • Y10T83/745 - Opposed
  • Y10T83/7667 - Having curved cutting edge to make arcuate cut, plural nonaligned intersecting cutting edges, or spaced punches
  • Y10T83/8743 - Straight line positioning
  • Y10T83/8828 - Plural tools with same drive means

• US Classifications

  • 083 - Cutting
  • 234 - Selective cutting