1654462

Information

• Patent Grant
• 1654462

• References
• Source

• Patent Number

  1,654,462

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1927
  97 years ago

• CPC

  • B28B21/72 - Producing multilayer tubes
  • B28B21/56 - incorporating reinforcements or inserts
  • Y10S264/43 - Processes of curing clay and concrete materials

• US Classifications

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