3839936

Information

• Patent Grant
• 3839936

• References
• Source

• Patent Number

  3,839,936

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • B21D28/265 - with relative movement of sheet and tools enabling the punching of holes in predetermined locations of the sheet
  • B21D43/10 - by grippers
  • Y10S83/916 - Nibbling
  • Y10T83/6545 - With means to guide work-carrier in nonrectilinear path
  • Y10T83/6564 - By pattern or templet

• US Classifications

  • 083 - Cutting