3777687

Information

• Patent Grant
• 3777687

• References
• Source

• Patent Number

  3,777,687

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • B21D19/02 - by continuously-acting tools moving along the edge
  • B21D39/025 - Hand tools
  • Y10T29/53791 - Edge binding

• US Classifications

  • 029 - Metal working