3056183

Information

• Patent Grant
• 3056183

• References
• Source

• Patent Number

  3,056,183

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1962
  62 years ago

• CPC

  • B28B21/205 - having a rigid frame inside the inflatable part of the core
  • B28B21/62 - circumferential laterally tensioned
  • F16L9/08 - of concrete, cement, or asbestos cement, with or without reinforcement
  • F16L25/0027 - Joints for pipes made of reinforced concrete
  • Y10S425/019 - Flexible fluid pressure

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 100 - Presses
  • 138 - Pipes and tubular conduits
  • 425 - Plastic article or earthenware shaping or treating: apparatus