2816323

Information

• Patent Grant
• 2816323

• References
• Source

• Patent Number

  2,816,323

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • B28B19/0038 - lining the outer wall of hollow objects
  • B28B21/94 - for impregnating or coating by applying liquids or semi-liquids
  • Y10S52/07 - Synthetic building materials, reinforcements and equivalents
  • Y10S425/044 - Rubber mold

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 052 - Static structures
  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings
  • 405 - Hydraulic and earth engineering
  • 425 - Plastic article or earthenware shaping or treating: apparatus