2188994

Information

• Patent Grant
• 2188994

• References
• Source

• Patent Number

  2,188,994

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • B42F17/00 - Card-filing arrangements
  • Y10T83/2059 - With spindle to enter a hole or to make hole in product
  • Y10T83/4627 - Mutilated gear in mesh with gear driving work-feed means

• US Classifications

  • 083 - Cutting