1697423

Information

• Patent Grant
• 1697423

• References
• Source

• Patent Number

  1,697,423

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1929
  96 years ago

• CPC

  • B28B1/48 - by removing material from solid section preforms for forming hollow articles

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus