Patent US3333963A successfully refreshed from Google Patents.
US3333963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing of roasted coffee
Assignee: Kenco Coffee Co Ltd
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Filing: 1963-12-17
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Granted: 1967-08-01
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Expires: 1983-12-17
Abstract
No abstract record available.
Inventors
- 👤 Moon Anthony James Robertson
- 👤 Champion Ronald Cheyney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:39
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/10; A23F5/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD FOR PRE-CONDITIONING FRESHLY ROASTED COFFEE PRIOR TO PACKAGING WHICH COMPRISES THE STEPS OF PLACING THE ROASTED COFFEE INTO A CONDITIONING CONTAINER, REDUCING THE PRESSURE IN SAID CONTAINER TO EQUAL THE VAPOR PRESSURE OF THE COFFEE, FILLING THE CONTAINER WITH AN INERT GAS TO A POSITIVE PRESSURE ABOVE ATMOSPHERIC PRESSURE TO DISPLACE ANY REMAINING OXYGEN IN THE CONTAINER, AGAIN REDUCING THE PRESSURE IN SAID CONTAINER TO THE VAPOR PRESSURE OF THE COFFEE. MAINTAINING SAID REDUCED PRESSURE UNTIL EVOLUTION OF THE GAS TRAPPED IN THE CELLS OF THE COFFEE IS COMPLETED. INTRODUCING ADDITIONAL INERT GAS INTO SAID CONTAINER TO A POSITIVE PRESSURE SLIGHTLY IN EXCESS OF ATMOSPHERIC PRESSURE AND DISCHARGING THE COFFEE FOR PACKAGING WHILE MAINTAINING SAID INERT GAS AT A POSITIVE PRESSURE.
Claim 2
Independent Claim
123 words
A METHOD FOR PRE-CONDITIONING FRESHLY ROASTED COFFEE PRIOR TO PACKAGING WHICH COMPRISES THE STEPS OF PLACING THE ROASTED COFFEE INTO A CONDITIONING CONTAINER, REDUCING THE PRESSURE IN SAID CONTAINER TO EQUAL THE VAPOR PRESSURE OF THE COFFEE, FILLING THE CONTAINER WITH AN INERT GAS TO A POSITIVE PRESSURE ABOVE ATMOSPHERIC PRESSURE TO DISPLACE ANY REMAINING OXYGEN IN THE CONTAINER, AGAIN REDUCING THE PRESSURE IN SAID CONTAINER TO THE VAPOR PRESSURE OF THE COFFEE. MAINTAINING SAID REDUCED PRESSURE UNTIL EVOLUTION OF THE GAS TRAPPED IN THE CELLS OF THE COFFEE IS COMPLETED. INTRODUCING ADDITIONAL INERT GAS INTO SAID CONTAINER TO A POSITIVE PRESSURE SLIGHTLY IN EXCESS OF ATMOSPHERIC PRESSURE AND DISCHARGING THE COFFEE FOR PACKAGING WHILE MAINTAINING SAID INERT GAS AT A POSITIVE PRESSURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |