2550513

Information

• Patent Grant
• 2550513

• References
• Source

• Patent Number

  2,550,513

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1951
  74 years ago

• CPC

  • A47J31/505 - with heat-supply regulation
  • A47J31/043 - Vacuum-type coffee-making apparatus with rising pipes in which hot water is passed to the upper bowl in which the ground coffee is placed and subsequently the heat source is cut-off and the water is sucked through the filter by the vacuum in the lower bowl

• US Classifications

  • 099 - Foods and beverages: apparatus
  • 200 - Electricity: circuit makers and breakers