221067

Information

• Patent Grant
• 221067

• References
• Source

• Patent Number

  221,067

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1879
  145 years ago

• CPC

  • A47J31/54 - Water boiling vessels in beverage making machines
  • F24D11/003 - combined with solar energy
  • Y10T137/2788 - Control by filling auxiliary tank
  • Y10T137/7316 - Self-emptying tanks
  • Y10T137/7319 - By float

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 047 - Plant husbandry