3521891

Information

• Patent Grant
• 3521891

• References
• Source

• Patent Number

  3,521,891

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • F16K41/043 - for spindles which only rotate
  • F16K3/28 - with resilient valve members
  • F16K41/02 - with stuffing-box; Sealing rings
  • F16K41/04 - with at least one ring of rubber or like material between spindle and housing

• US Classifications

  • 277 - Seal for a joint or juncture