3866950

Information

• Patent Grant
• 3866950

• References
• Source

• Patent Number

  3,866,950

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  49 years ago

• CPC

  • F16L47/265 - Reduction units
  • F16L21/002 - Sleeves or nipples for pipes of the same diameter; Reduction pieces
  • F24F13/0218 - Flexible soft ducts

• US Classifications

  • 285 - Pipe joints or couplings
  • 454 - Ventilation