Patent US3328894A successfully refreshed from Google Patents.
US3328894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coffee roasting apparatus
Assignee: Hupp Corp
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Filing: 1966-09-07
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Granted: 1967-07-04
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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
2026-11-02 13:04
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/08; A23P; A23P30/00; A23P30/30; A23P30/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
APPARATUS FOR TREATING PARTICULATE SOLIDS WITH A FLUID MEDIUM, COMPRISING: (A) A REACTION VESSEL CONFIGURED TO CONTAIN A BED OF THE PARTICULATE SOLIDS; (B) AN INLET AND AN OUTLET FOR INTRODUCING THE PARTICULATE SOLIDS INTO AND DISCHARGING THEM FROM THE REACTION VESSEL; AND (C) MEANS INCLUDING A CIRCULATION SYSTEM HAVING SUPPLY AND RETURN CONDUITS CONNECTED TO THE REACTION VESSEL FOR SO INTRODUCING A FLUID MEDIUM INTO SAID VESSEL, DIRECTING SAID MEDIUM THROUGH THE BED OF PARTICULATE SOLIDS CONTAINED THEREIN, AND DISCHARGING SAID MEDIUM FROM THE REACTION VESSEL AS TO EFFECT A CONTINUOUS RAPID CIRCULATION OF THE PARTICLES IN SAID VESSEL THROUGH PATHS IN WHICH SAID PARTICLES ARE MOVED UPWARDLY IN THE PERIPHERAL REGIONS OF THE REACTION VESSEL AND MIGRATE DOWNWARDLY IN INNER REGIONS THEREOF TO THEREBY BRING SAID PARTICLES INTO INTIMATE AND UNIFORM CONTACT WITH THE FLUID MEDIUM, SAID LAST-NAMED MEANS INCLUDING MEANS FOR:
Claim 2
Dependent Claim
144 words
APPARATUS FOR TREATING PARTICULATE SOLIDS WITH A FLUID MEDIUM, COMPRISING: (A) A REACTION VESSEL CONFIGURED TO CONTAIN A BED OF THE PARTICULATE SOLIDS; (B) AN INLET AND AN OUTLET FOR INTRODUCING THE PARTICULATE SOLIDS INTO AND DISCHARGING THEM FROM THE REACTION VESSEL; AND (C) MEANS INCLUDING A CIRCULATION SYSTEM HAVING SUPPLY AND RETURN CONDUITS CONNECTED TO THE REACTION VESSEL FOR SO INTRODUCING A FLUID MEDIUM INTO SAID VESSEL, DIRECTING SAID MEDIUM THROUGH THE BED OF PARTICULATE SOLIDS CONTAINED THEREIN, AND DISCHARGING SAID MEDIUM FROM THE REACTION VESSEL AS TO EFFECT A CONTINUOUS RAPID CIRCULATION OF THE PARTICLES IN SAID VESSEL THROUGH PATHS IN WHICH SAID PARTICLES ARE MOVED UPWARDLY IN THE PERIPHERAL REGIONS OF THE REACTION VESSEL AND MIGRATE DOWNWARDLY IN INNER REGIONS THEREOF TO THEREBY BRING SAID PARTICLES INTO INTIMATE AND UNIFORM CONTACT WITH THE FLUID MEDIUM, SAID LAST-NAMED MEANS INCLUDING MEANS FOR:
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |