3533448

Information

• Patent Grant
• 3533448

• References
• Source

• Patent Number

  3,533,448

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1970
  54 years ago

• CPC

  • F04B11/0016 - with a fluid spring
  • E03B11/04 - without air regulators

• US Classifications

  • 138 - Pipes and tubular conduits