Patent US2594385A successfully refreshed from Google Patents.
US2594385A
Expired / Lapsed
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Heating of coffee beans
Assignee: E GRIFFITHS HUGHES Ltd
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Filing: 1946-10-23
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Granted: 1952-04-29
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Expires: 1966-10-23
Abstract
No abstract record available.
Inventors
- 👤 Blench Ronald Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:43
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)
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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) | 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 |