2669913

Information

• Patent Grant
• 2669913

• References
• Source

• Patent Number

  2,669,913

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  70 years ago

• CPC

  • B29C53/12 - helically
  • B31F1/0003 - Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor

• US Classifications

  • 493 - Manufacturing container or tube from paper
  • 072 - Metal deforming
  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus