3139469

Information

• Patent Grant
• 3139469

• References
• Source

• Patent Number

  3,139,469

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1964
  60 years ago

• CPC

  • F16L9/08 - of concrete, cement, or asbestos cement, with or without reinforcement
  • B28B21/563 - Gaskets
  • F16L25/0027 - Joints for pipes made of reinforced concrete
  • Y10S425/218 - Pipe machine: socket forming apparatus

• US Classifications

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