3301275

Information

• Patent Grant
• 3301275

• References
• Source

• Patent Number

  3,301,275

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1967
  57 years ago

• CPC

  • E03B11/04 - without air regulators

• US Classifications

  • 138 - Pipes and tubular conduits