US3328172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of roasting coffee and similar particulate solids
Assignee: Hupp Corp
•
Filing: 1966-09-07
•
Granted: 1967-06-27
•
Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Horace L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:02
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/08; A23F; A23F5/00; A23F5/04; A23F5/046; A23P; A23P30/00; A23P30/30; A23P30/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF ROASTING COFFEE BEANS AND SIMILAR PARTICULATE SOLIDS IN A VESSEL HAVING A BED OF THE SOLIDS TO BE ROASTED THEREIN, COMPRISING THE STEPS OF: (A) PRESSURIZING THE ROASTING VESSEL TO A PRESSURE SUFFICIENTLY HIGH TO REDUCE LOSSES IN YIELD AND NOT BELOW ABOUT 130-150 P.S.I.G.; (B) ROASTING SAID SOLIDS BY EFFECTING A CONTINUOUS FLOW OF HEATED FLUID THROUGH SAID BED; (C) BEFORE THE ROASTING OF SAID SOLIDS IS COMPLETED, CONCURRENTLY INTERRUPTING THE ROASTING PROCESS BY TERMINATING THE FLOW OF HEATED FLUID INTO THE BED OF SOLIDS AND REDUCING THE PRESSURE IN SAID VESSEL TO A SUFFICIENTLY LOW VALUE TO VOLATILIZE SELECTED UNDESIRABLE CONSTITUENTS IN SAID SOLIDS AND THEREBY EFFECT THE REMOVEL OF SAID CONSTITUTENTS FROM THE SOLIDS; AND
Claim 2
Independent Claim
121 words
A METHOD OF ROASTING COFFEE BEANS AND SIMILAR PARTICULATE SOLIDS IN A VESSEL HAVING A BED OF THE SOLIDS TO BE ROASTED THEREIN, COMPRISING THE STEPS OF: (A) PRESSURIZING THE ROASTING VESSEL TO A PRESSURE SUFFICIENTLY HIGH TO REDUCE LOSSES IN YIELD AND NOT BELOW ABOUT 130-150 P.S.I.G.; (B) ROASTING SAID SOLIDS BY EFFECTING A CONTINUOUS FLOW OF HEATED FLUID THROUGH SAID BED; (C) BEFORE THE ROASTING OF SAID SOLIDS IS COMPLETED, CONCURRENTLY INTERRUPTING THE ROASTING PROCESS BY TERMINATING THE FLOW OF HEATED FLUID INTO THE BED OF SOLIDS AND REDUCING THE PRESSURE IN SAID VESSEL TO A SUFFICIENTLY LOW VALUE TO VOLATILIZE SELECTED UNDESIRABLE CONSTITUENTS IN SAID SOLIDS AND THEREBY EFFECT THE REMOVEL OF SAID CONSTITUTENTS FROM THE SOLIDS; AND
References Cited (Backward Citations)
US1237931A
Cited
US2009945A
Cited
US2212120A
Cited
US2513813A
Cited
US2639133A
Cited
US2632706A
Cited
US2716936A
Cited
US2750680A
Cited
US2859116A
Cited
US2975526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |