3321997

Information

• Patent Grant
• 3321997

• References
• Source

• Patent Number

  3,321,997

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1967
  58 years ago

• CPC

  • B65D25/087 - the partition being in the form of a plug or the like which can be raised off its seat by means of a pull cord or the like
  • D06F37/245 - Damping vibrations by displacing, supplying or ejecting a material
  • Y10T74/2111 - Plural, movable relative to each other [including ball[s]]

• US Classifications

  • 074 - Machine element or mechanism
  • 210 - Liquid purification or separation
  • 301 - Land vehicles: wheels and axles