1420239

Information

• Patent Grant
• 1420239

• References
• Source

• Patent Number

  1,420,239

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1922
  102 years ago

• CPC

  • B21B35/025 - for stretch-reducing of tubes

• US Classifications

  • 072 - Metal deforming
  • 493 - Manufacturing container or tube from paper