3642033

Information

• Patent Grant
• 3642033

• References
• Source

• Patent Number

  3,642,033

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • F16L25/0027 - Joints for pipes made of reinforced concrete
  • B28B21/60 - prestressed reinforcements
  • F16L9/08 - of concrete, cement, or asbestos cement, with or without reinforcement

• US Classifications

  • 138 - Pipes and tubular conduits
  • 285 - Pipe joints or couplings