3005469

Information

• Patent Grant
• 3005469

• References
• Source

• Patent Number

  3,005,469

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1961
  63 years ago

• CPC

  • B28B21/62 - circumferential laterally tensioned
  • F16L9/08 - of concrete, cement, or asbestos cement, with or without reinforcement

• US Classifications

  • 138 - Pipes and tubular conduits
  • 264 - Plastic and nonmetallic article shaping or treating: processes