3797342

Information

• Patent Grant
• 3797342

• References
• Source

• Patent Number

  3,797,342

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • H05K3/005 - Punching of holes
  • B21D28/26 - in sheets or flat parts
  • Y10T83/06 - Blanking
  • Y10T83/2144 - Single stripper operative upon plural tools
  • Y10T83/2159 - By spring means
  • Y10T83/8831 - Plural distinct cutting edges on same support
  • Y10T83/9423 - Punching tool
  • Y10T83/944 - Multiple punchings

• US Classifications

  • 083 - Cutting