3467144

Information

• Patent Grant
• 3467144

• References
• Source

• Patent Number

  3,467,144

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1969
  55 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