2218674

Information

• Patent Grant
• 2218674

• References
• Source

• Patent Number

  2,218,674

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • B24B19/223 - of paper or similar sheet material

• US Classifications

  • 451 - Abrading
  • 053 - Package making
  • 493 - Manufacturing container or tube from paper