3780626

Information

• Patent Grant
• 3780626

• References
• Source

• Patent Number

  3,780,626

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  50 years ago

• CPC

  • B24B7/13 - grinding while stock moves from coil to coil

• US Classifications

  • 451 - Abrading
  • 493 - Manufacturing container or tube from paper