3487140

Information

• Patent Grant
• 3487140

• References
• Source

• Patent Number

  3,487,140

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  54 years ago

• CPC

  • B28B21/74 - Producing pipe bends, sockets, sleeves Moulds therefor
  • E03C1/122 - Pipe-line systems for waste water in building
  • F16L41/002 - of concrete, cement or asbestos-cement
  • Y10S425/218 - Pipe machine: socket forming apparatus

• US Classifications

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