3633946

Information

• Patent Grant
• 3633946

• References
• Source

• Patent Number

  3,633,946

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • F16L55/052 - Pneumatic reservoirs
  • F16L27/1085 - the bellows being externally or internally reinforced
  • F16L51/024 - non-metallic

• US Classifications

  • 285 - Pipe joints or couplings
  • 138 - Pipes and tubular conduits