3659992

Information

• Patent Grant
• 3659992

• References
• Source

• Patent Number

  3,659,992

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1972
  52 years ago

• CPC

  • B28B21/74 - Producing pipe bends, sockets, sleeves Moulds therefor

• US Classifications

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