1863839

Information

• Patent Grant
• 1863839

• References
• Source

• Patent Number

  1,863,839

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1932
  92 years ago

• CPC

  • B28B1/48 - by removing material from solid section preforms for forming hollow articles
  • Y10S425/111 - Hollow block
  • Y10T408/3809 - Successively acting on workpiece
  • Y10T408/3828 - with work-infeed

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 408 - Cutting by use of rotating axially moving tool