2275421

Information

• Patent Grant
• 2275421

• References
• Source

• Patent Number

  2,275,421

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1942
  82 years ago

• CPC

  • G06C11/08 - with punching mechanism
  • Y10T83/8766 - Tool movement modifies actuating circuit

• US Classifications

  • 083 - Cutting
  • 073 - Measuring and testing
  • 234 - Selective cutting
  • 235 - Registers