2923052

Information

• Patent Grant
• 2923052

• References
• Source

• Patent Number

  2,923,052

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1960
  65 years ago

• CPC

  • B26F1/24 - Perforating by needles or pins
  • Y10T29/44 - Filing
  • Y10T83/4821 - Side cutting helical blade

• US Classifications

  • 029 - Metal working
  • 083 - Cutting
  • 451 - Abrading
  • 493 - Manufacturing container or tube from paper