2839785

Information

• Patent Grant
• 2839785

• References
• Source

• Patent Number

  2,839,785

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1958
  66 years ago

• CPC

  • B65H23/0256 - with opposed helicoidal windings
  • B29D7/00 - Producing flat articles
  • B29C71/00 - After-treatment of articles without altering their shape Apparatus therefor

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 492 - Roll or roller