3329390

Information

• Patent Grant
• 3329390

• References
• Source

• Patent Number

  3,329,390

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1967
  57 years ago

• CPC

  • F16K7/08 - constrictable by twisting

• US Classifications

  • 251 - Valves and valve actuation
  • 138 - Pipes and tubular conduits