3813977

Information

• Patent Grant
• 3813977

• References
• Source

• Patent Number

  3,813,977

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  51 years ago

• CPC

  • B26F1/10 - Roller type punches
  • B23D31/02 - for performing different cutting operations on travelling stock
  • E04D5/12 - specially modified
  • Y10T83/4836 - With radial overlap of the cutting members
  • Y10T83/9374 - With spacer interposed between shaft-mounted tools
  • Y10T83/9389 - Shear type

• US Classifications

  • 083 - Cutting