US3083471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous and uniform contacting of fluids and solids
Assignee: Huntington Chemical Corp
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Filing: 1960-03-24
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Granted: 1963-04-02
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Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 Morgan G Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:18
CPC Classifications
C; C22; C22B; C22B43/00; B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J8/125; C22B1/00; C22B1/02; C22B1/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN AN APPARATUS FOR CONTACTING FLUIDS AND SOLIDS IN WHICH THE SOLIDS ARE FED VERTICALLY DOWNWARD FROM LEVEL TO LEVEL IN AN ENCLOSED PRESSURIZED VESSEL AND ARE SELECTIVELY CONTACTED WITH GASEOUS FLUIDS, THE IMPROVEMENT THAT COMPRISES, A GYRATING SHELF MECHANISM AT EACH VERICAL LEVEL FOR SUPPORTING THE SOLIDS AND KEEPING THEM IN HEAVING MOVEMEMT, MEANS FOR DRIVING EACH INDIVIDUAL SHELF TO ACCOMPLISH GYRATING MOVEMENT, AND AN INWARDLY EXTENDING PORTION OF THE VESSEL DIRECTLY ABOVE THE GYRATORY SHELF POSITIONED IN RELATION TO THE SHELF SO THAT SOLIDS CARRIED ON THE SHELF WILL NOT FLOW OFF THE SHELF BY GRAVITY ALONE BUT WILL BE POSITIVELY FED OFF THE PEROPHERY OF THE SHELF DURING THE GYTATING MOVEMENT OF THE SHELF TO CAUSE THE
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |