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US2594385A Expired / Lapsed US ⏱️ 0.0 years remaining

Heating of coffee beans

Assignee: E GRIFFITHS HUGHES Ltd
•
Filing: 1946-10-23
•
Granted: 1952-04-29
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Expires: 1966-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Blench Ronald Oliver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:56
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 98 words
A PROCESS OF HEAT TREATING COFFEE BEANS, CONSISTING IN IMMERSING UNROASTED COFFEE BEANS IN A BATH OF MOLTEN, HEATED HIGH-GRADE PARAFFFIN WAX WHICH IS INERT CHEMICALLY AND IN REGARD TO FLAVOUR AND TASTE, NON-TOXIC, CHEMICALLY PURE AND FREE FROM ODOUR AND TASTE, KEEPING THE COFFEE BEANS IN THE SAID PARAFFIN WAX UNTIL THEY HAVE BECOME ROASTED BY HEAT RECEIVED FROM THE HEATED PARAFFIN WAX, REMOVING THE THUS ROASTED COFFEE BEANS FROM THE BATH OF PARAFFIN WAX WHILST IT IS STILL MOLTEN AND REMOVING SURPLUS PARAFFIN WAX FROM THE COFFEE BEANS AFTER THEY HAVE BEEN REMOVED FROM THE BATH.
Claim 2
Dependent Claim 98 words
A PROCESS OF HEAT TREATING COFFEE BEANS, CONSISTING IN IMMERSING UNROASTED COFFEE BEANS IN A BATH OF MOLTEN, HEATED HIGH-GRADE PARAFFFIN WAX WHICH IS INERT CHEMICALLY AND IN REGARD TO FLAVOUR AND TASTE, NON-TOXIC, CHEMICALLY PURE AND FREE FROM ODOUR AND TASTE, KEEPING THE COFFEE BEANS IN THE SAID PARAFFIN WAX UNTIL THEY HAVE BECOME ROASTED BY HEAT RECEIVED FROM THE HEATED PARAFFIN WAX, REMOVING THE THUS ROASTED COFFEE BEANS FROM THE BATH OF PARAFFIN WAX WHILST IT IS STILL MOLTEN AND REMOVING SURPLUS PARAFFIN WAX FROM THE COFFEE BEANS AFTER THEY HAVE BEEN REMOVED FROM THE BATH.

References Cited (Backward Citations)

US45762A Cited
US245996A Cited
US430182A Cited
US984334A Cited
US1179046A Cited
US2054689A Cited
US2278767A Cited
US2288284A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-04-29 1955-10-29 1956-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-04-29 1959-10-29 1960-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-04-29 1963-10-29 1964-04-29 $7700.00 Window Closed / Lapsed

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