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US3233535A Expired / Lapsed US ⏱️ 0.0 years remaining

Centrifugal coffee brewer

Assignee: HAVAJAVA Manufacturing CO
•
Filing: 1962-12-27
•
Granted: 1966-02-08
•
Expires: 1982-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Henry D Fowlie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:36
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/22; A47J31/24; A47J31/32

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 231 words
A COFFEE BREWER COMPRISING (A) A ROTATABLE SHAFT, (B) TWO HOLLOW MATING BREWING CONTAINER PARTS ROTATABLE WITH THE SHAFT, SAID PORTS HAVING PERIPHERAL LIPS, MEANS FOR SPACING SAID LIPS TO DEFINE A SMALLEST ORIFICE THEREBETWEEN, ONE OF SAID PARTS BEING LONGITUDINALLY MOVABLE WITH RESPECT TO THE OTHER TO VARY THE SIZE OF THE ORIFICE BETWEEN SAID LIPS, SAID CONTAINER PARTS DEFINING A WEDGE SHAPED INTERNAL SPACE ADJACENT TO THE INNER EDGE OF THE PERIPHERAL LIPS, (C) MEANS FOR ROTATING THE SHAFT, (D) MEANS FOR INJECTING HOT WATER AND GROUND COFFEE INTO THE CONTAINER PARTS, (E) THE COFFEE GROUNDS BEING IMPACTED INTO THE WEDGE SHAPED SPACE UPON ROTATION OF THE PARTS, (F) A PAIR OF SPACED COLLECTORS CIRCUMSCRIBED ABOUT THE OUTER EDGES OF THE CONTAINER LIPS, SAID COLLECTORS BEING MOVABLE IN UNISON RELATIVELY LONGITUDINALLY WITH RESPECT TO THE CONTAINER LIPS, (G) HOLD DOWN MEANS FOR HOLDING THE CONTAINER PARTS IN THE SMALLER ORIFICE SIZE DURING ROTATION OF THE CONTAINER PARTS TO RETAIN THE GROUND COFFEE WITHIN THE WEDGE SHAPED SPACE, THE FIRST OF SAID COLLECTORS BEING JUXTAPOSED TO THE SMALLER ORIFICE OPENING, (H) MEANS FOR CONDITIONING THE CONTAINER PARTS SO THAT FURTHER ROTATION THEREOF WILL CAUSE THE IMPACTED GROUND COFFEE TO MOVE THE CONTAINER PARTS APART AND CAUSE THE ORIFICE TO ASSUME ITS LARGER SIZE, AND (I) MEANS FOR MOVING THE SECOND OF THE COLLECTORS INTO JUXTAPOSITION WITH THE LARGER ORIFICE OPENING.
Claim 2
Dependent Claim 231 words
A COFFEE BREWER COMPRISING (A) A ROTATABLE SHAFT, (B) TWO HOLLOW MATING BREWING CONTAINER PARTS ROTATABLE WITH THE SHAFT, SAID PORTS HAVING PERIPHERAL LIPS, MEANS FOR SPACING SAID LIPS TO DEFINE A SMALLEST ORIFICE THEREBETWEEN, ONE OF SAID PARTS BEING LONGITUDINALLY MOVABLE WITH RESPECT TO THE OTHER TO VARY THE SIZE OF THE ORIFICE BETWEEN SAID LIPS, SAID CONTAINER PARTS DEFINING A WEDGE SHAPED INTERNAL SPACE ADJACENT TO THE INNER EDGE OF THE PERIPHERAL LIPS, (C) MEANS FOR ROTATING THE SHAFT, (D) MEANS FOR INJECTING HOT WATER AND GROUND COFFEE INTO THE CONTAINER PARTS, (E) THE COFFEE GROUNDS BEING IMPACTED INTO THE WEDGE SHAPED SPACE UPON ROTATION OF THE PARTS, (F) A PAIR OF SPACED COLLECTORS CIRCUMSCRIBED ABOUT THE OUTER EDGES OF THE CONTAINER LIPS, SAID COLLECTORS BEING MOVABLE IN UNISON RELATIVELY LONGITUDINALLY WITH RESPECT TO THE CONTAINER LIPS, (G) HOLD DOWN MEANS FOR HOLDING THE CONTAINER PARTS IN THE SMALLER ORIFICE SIZE DURING ROTATION OF THE CONTAINER PARTS TO RETAIN THE GROUND COFFEE WITHIN THE WEDGE SHAPED SPACE, THE FIRST OF SAID COLLECTORS BEING JUXTAPOSED TO THE SMALLER ORIFICE OPENING, (H) MEANS FOR CONDITIONING THE CONTAINER PARTS SO THAT FURTHER ROTATION THEREOF WILL CAUSE THE IMPACTED GROUND COFFEE TO MOVE THE CONTAINER PARTS APART AND CAUSE THE ORIFICE TO ASSUME ITS LARGER SIZE, AND (I) MEANS FOR MOVING THE SECOND OF THE COLLECTORS INTO JUXTAPOSITION WITH THE LARGER ORIFICE OPENING.

References Cited (Backward Citations)

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US745696A Cited
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US1869720A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-07 1969-08-09 1970-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-07 1973-08-09 1974-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-07 1977-08-09 1978-02-08 $7700.00 Window Closed / Lapsed

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