Patent US2671011A successfully refreshed from Google Patents.
US2671011A
Expired / Lapsed
US
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Ammonium sulfate crystal producing apparatus
Assignee: Beazer East Inc
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Filing: 1948-09-29
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Granted: 1954-03-02
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Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph Van Ackeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:35
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/24; C01C1/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A CLOSED VESSEL FOR SEPARATING A COMPONENT OF A GASEOUS MIXTURE BY ADSORPTION IN A LIQUID WHICH FORMS CRYSTALS AS A RESULT OF SUCH ADSORPTION COMPRISING; A CHAMBER ADAPTED TO CONTAIN A BODY OF LIQUID IN THE LOWER PORTION AND COMPRISING A DOWNWARDLY SLOPING BOTTOM, MEANS COOPERATING WITH SAID CHAMBER TO DEFINE ARCUATE ELONGATED HORIZONTAL GAS IMPERMEABLE PASSAGEWAYS FOR GAS WHICH ARE BOUNDED AT THE BOTTOM BY SAID BODY OF LIQUID, MEANS FOR INTRODUCING AND REMOVING GAS FROM SAID PASSAGEWAYS, MEANS FOR SPRAYING LIQUID DOWNWARDLY OVER THE ENTIRE LENGTHS OF SAID PASSAGEWAYS, A CRYSTALLIZING CHAMBER DISPOSED BELOW AND ADJACENT THE LIQUID-CONTANING CHAMBER, A CONDUIT EXTENDING DOWNWARDLY FROM THE LOWERMOST PORTION OF THE BOTTOM OF THE LIQUID-CONTAINING CHAMBER INTO THE CRYSTALLIZING CHAMBER, THE BOTTOM OF SAID CONDUIT BEING IN SPACED RELATION TO THE BOTTOM OF THE
Claim 2
Dependent Claim
135 words
A CLOSED VESSEL FOR SEPARATING A COMPONENT OF A GASEOUS MIXTURE BY ADSORPTION IN A LIQUID WHICH FORMS CRYSTALS AS A RESULT OF SUCH ADSORPTION COMPRISING; A CHAMBER ADAPTED TO CONTAIN A BODY OF LIQUID IN THE LOWER PORTION AND COMPRISING A DOWNWARDLY SLOPING BOTTOM, MEANS COOPERATING WITH SAID CHAMBER TO DEFINE ARCUATE ELONGATED HORIZONTAL GAS IMPERMEABLE PASSAGEWAYS FOR GAS WHICH ARE BOUNDED AT THE BOTTOM BY SAID BODY OF LIQUID, MEANS FOR INTRODUCING AND REMOVING GAS FROM SAID PASSAGEWAYS, MEANS FOR SPRAYING LIQUID DOWNWARDLY OVER THE ENTIRE LENGTHS OF SAID PASSAGEWAYS, A CRYSTALLIZING CHAMBER DISPOSED BELOW AND ADJACENT THE LIQUID-CONTANING CHAMBER, A CONDUIT EXTENDING DOWNWARDLY FROM THE LOWERMOST PORTION OF THE BOTTOM OF THE LIQUID-CONTAINING CHAMBER INTO THE CRYSTALLIZING CHAMBER, THE BOTTOM OF SAID CONDUIT BEING IN SPACED RELATION TO THE BOTTOM OF 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) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |