451584

Information

• Patent Grant
• 451584

• References
• Source

• Patent Number

  451,584

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1891
  133 years ago

• CPC

  • B05B9/0816 - the air supplying means being a manually actuated air pump
  • A61J1/1456 - using liquid filters
  • A61J1/145 - using air filters
  • Y10T137/7976 - Plural separating elements
  • Y10T137/87402 - With foam controlling means [e.g., beer, soda faucets]

• US Classifications

  • 222 - Dispensing
  • 137 - Fluid handling