1817284

Information

• Patent Grant
• 1817284

• References
• Source

• Patent Number

  1,817,284

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1931
  94 years ago

• CPC

  • D03C17/00 - Card-punching apparatus
  • Y10T83/4523 - With means to vary number of work-feed increments between tool strokes
  • Y10T83/4531 - Work feed increment shorter than longitudinal tool field
  • Y10T83/4534 - Unequal work feed increments in recurring series
  • Y10T83/4632 - Comprises a work-moving gripper

• US Classifications

  • 083 - Cutting