3248977

Information

• Patent Grant
• 3248977

• References
• Source

• Patent Number

  3,248,977

• Date Filed

  Not available

• Date Issued

  Tuesday, May 3, 1966
  58 years ago

• CPC

  • B26F1/02 - Perforating by punching
  • Y10T83/0252 - With infeeding of tool
  • Y10T83/0524 - Plural cutting steps
  • Y10T83/0586 - Effecting diverse or sequential cuts in same cutting step
  • Y10T83/2153 - Fluid pressure actuated stripper
  • Y10T83/825 - Successively acting
  • Y10T83/944 - Multiple punchings

• US Classifications

  • 083 - Cutting
  • 181 - Acoustics