Invertible drip coffee maker

• US 3,336,857 A
• Filed: 05/27/1965
• Issued: 08/22/1967
• Est. Priority Date: 05/27/1965
• Status: Expired due to Term

• Current Assignee: Charles R. Schrankel, Ruediger W. Knodt
• Original Assignee: Charles R. Schrankel, Ruediger W. Knodt
• Inventors: Knodt, Ruediger W., Schrankel, Charles R.
• Application Number:
  US04/459,186
• Time in Patent Office: 817 Days
• US Class Current: 99/296
• CPC Class Codes: A47J 31/16 Inverting coffee-making apparatus in which water is boiled in the lower part and the apparatus is subsequently inverted to pass the water through the filter

Claims

1. AN IMPROVED DRIP COFFEE MAKER FOR BOTH HEATING WATER AND BREWING COFFEE IN A COMPOSITE COFFEE MAKER ASSEMBLY WHICH COMPRISES, AN UPWARDLY-OPEN SERVING VESSEL, A DOWNWARDLY-OPEN WATER-HEARING VESSEL POSITIONED UPON SAID SERVING VESSEL, INTERFITTING COLLAR RING MEANS FORMED ON SAID HEATING VESSEL AND SAID SERVING VESSEL, ALIGNED HANDLE MEANS PROJECTING OUTWARDLY FROM SAID COLLAR RING MEANS, A BASKET ASSEMBLY FOR RETAINING GROUND COFFEE REMOVABLY SECURED TO THE COLLAR RING MEANS ON SAID HEATING VESSEL AND PROJECTING WITHIN SAID SERVING VESSEL, POURING LIP MEANS FORMED IN THE COLLAR RING ON SAID SERVING VESSEL;

SAID BASKET ASSEMBLY COMPRISING A SPREADER PLATE REMOVABLY SECURED TO SAID COLLAR RING MEANS FORMED ON SAID HEATING VESSEL, AND A BASKET MEMBER REMOVABLY SECURED TO SAID SPREADER PLATE;

A VENT TUBE FIXEDLY POSITIONED WITHIN AND EXTENDING THROUGH SAID SPREADER PLATE FOR VENTING SAID HEATING VESSEL, AND A SEPARATE TUBE FIXEDLY RETAINED BY AND PROJECTING THROUGH THE BOTTOM OF SAID BASKET MEMBER IN AXIAL ALIGNMENT AND COOPERATIVE ENGAGEMENT WITH SAID VENT TUBE TO PROVIDE AN EXTENSION THEREOF FOR VENTING COMMUNICATION BETWEEN SAID UPPER HEATING VESSEL AND SAID LOWER SERVING VESSEL SO AS TO FACILITATE THE FLOW OF WATER FROM SAID HEATING VESSEL AND THROUGH THE GROUND COFFEE WITHIN SAID BASKET.