3488674

Information

• Patent Grant
• 3488674

• References
• Source

• Patent Number

  3,488,674

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • B43M7/001 - with abrading or sawing wheels
  • Y10S83/912 - Envelope openers

• US Classifications

  • 451 - Abrading
  • 083 - Cutting
  • 269 - Work holders