Patent US3254420A successfully refreshed from Google Patents.
US3254420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the treatment of moisture containing materials in gaseous streams
Assignee: Midland Ross Corp
•
Filing: 1963-04-09
•
Granted: 1966-06-07
•
Expires: 1983-04-09
Abstract
No abstract record available.
Inventors
- 👤 Alex J Schregenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:59
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/10; F26B17/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD FOR REMOVING MOISTURE FROM FLOWABLE MATERIALS COMPRISING, INTRODUCING MOISTURE CONTAINING MATERIAL INTO AN UNIDIRECTIONAL FLOWING GASEOUS STREAM TO BE CARRIED THEREBY, SUBJECTING THE MATERIAL SUSPENDED THEREIN TO AN INITIAL HIGH TEMPERATURE EFFECTING CONSTANT RATE DRYING, REDIRECTING SAID GASEOUS MATERIAL CONTAINING STREAM INTO A DIVERGING VERTICAL COLUMN MEANWHILE ADDING AN ATTEMPERING GAS OF LOWER TEMPERATURE AT ABOUT THE COLUMN BASE, AND DIVERTING AND COLLECTING THE UPPER FLOATING MATERIAL FROM SAID AIR COLUMN.
Claim 2
Independent Claim
73 words
THE METHOD FOR REMOVING MOISTURE FROM FLOWABLE MATERIALS COMPRISING, INTRODUCING MOISTURE CONTAINING MATERIAL INTO AN UNIDIRECTIONAL FLOWING GASEOUS STREAM TO BE CARRIED THEREBY, SUBJECTING THE MATERIAL SUSPENDED THEREIN TO AN INITIAL HIGH TEMPERATURE EFFECTING CONSTANT RATE DRYING, REDIRECTING SAID GASEOUS MATERIAL CONTAINING STREAM INTO A DIVERGING VERTICAL COLUMN MEANWHILE ADDING AN ATTEMPERING GAS OF LOWER TEMPERATURE AT ABOUT THE COLUMN BASE, AND DIVERTING AND COLLECTING THE UPPER FLOATING MATERIAL FROM SAID AIR COLUMN.
References Cited (Backward Citations)
US1912910A
Cited
US2054441A
Cited
GB418462A
Cited
US2118252A
Cited
GB463060A
Cited
US2363281A
Cited
US2559551A
Cited
US3078588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |