3818931

Information

• Patent Grant
• 3818931

• References
• Source

• Patent Number

  3,818,931

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • F16L55/052 - Pneumatic reservoirs
  • Y10T137/7032 - Furniture and housing furnishings
  • Y10T137/86381 - Head-establishing standpipe or expansion chamber [e.g., surge tanks]

• US Classifications

  • 137 - Fluid handling
  • 285 - Pipe joints or couplings