1388889

Information

• Patent Grant
• 1388889

• References
• Source

• Patent Number

  1,388,889

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • B31B43/00 - Machinery characterised by making containers by shaping, other- wise than folding, sheet material under pressure
  • B31B2201/226 - Modifying the shape of tubular boxes, of paper bottle necks

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 072 - Metal deforming