2445440

Information

• Patent Grant
• 2445440

• References
• Source

• Patent Number

  2,445,440

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1948
  76 years ago

• CPC

  • B42F13/404 - with punches
  • Y10T83/7673 - Spaced edges
  • Y10T83/8717 - By deforming resilient tool or tool support
  • Y10T83/8752 - Tool moves work to and against cooperating tool

• US Classifications

  • 083 - Cutting
  • 269 - Work holders
  • 402 - Binder device releasably engaging aperture or notch of sheet