Patent US2629689A successfully refreshed from Google Patents.
US2629689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water purifying and degasifying apparatus and process
Assignee: Infilco Inc
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Filing: 1948-04-12
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Granted: 1953-02-24
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Expires: 1968-04-12
Abstract
No abstract record available.
Inventors
- 👤 Walter H Green
- 👤 James M Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:50
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A HOT PROCESS TYPE WATER SOFTENING APPARATUS COMPRISING A TANK, A PARTITION STRUCTURE IN SAID TANK FORMING THEREIN A MIXING CHAMBER IN THE LOWER PORTION OF SAID TANK AND A QUIESCENT CLARIFICATION CHAMBER, A WATER HEATING CHAMBER IN AN UPPER PORTION OF SAID TANK, A RAW WATER INLET DISCHARGING INTO SAID HEATING CHAMBER, MEANS STEAM INLET INTO SAID HEATING CHAMBER, MEANS FOR DELIVERING A TREATING REAGENT TO THE WATER TO BE TREATED, OUTLET MEANS LEADING FROM SAID HEATING CHAMBER AND DISCHARGING INTO SAID MIXING CHAMBER, A PASSAGEWAY LEADING FROM THE MIXING CHAMBER INTO A LOWER PORTION OF THE QUIESCENT CLARIFICATION CHAMBER, A SECOND PASSAGEWAY LEADING FROM A LOWER PART OF THE QUIESCENT CLARIFICATION CHAMBER INTO THE MIXING CHAMBER, SAID MIXING CHAMBER, SAID PASSAGEWAYS AND SAID LOWER PORTION OF SAID CLARIFICATION CHAMBER AFFORDING A CYCLIC PATH FOR LIQUID CIRCULATION WITHIN SAID TANK, INLET MEANS FOR DELIVERING ADDITIONAL STEAM TO LIQUID TRAVERSING SAID PATH OF CICULATION, A TREATED LIQUID OUTLET FROM THE UPPER PART OF THE QUIESCENT CLAIRFICATION CHAMBER, AND A SOLIDS OUTLET FROM A LOWER PART OF SAID TANK.
Claim 2
Dependent Claim
178 words
A HOT PROCESS TYPE WATER SOFTENING APPARATUS COMPRISING A TANK, A PARTITION STRUCTURE IN SAID TANK FORMING THEREIN A MIXING CHAMBER IN THE LOWER PORTION OF SAID TANK AND A QUIESCENT CLARIFICATION CHAMBER, A WATER HEATING CHAMBER IN AN UPPER PORTION OF SAID TANK, A RAW WATER INLET DISCHARGING INTO SAID HEATING CHAMBER, MEANS STEAM INLET INTO SAID HEATING CHAMBER, MEANS FOR DELIVERING A TREATING REAGENT TO THE WATER TO BE TREATED, OUTLET MEANS LEADING FROM SAID HEATING CHAMBER AND DISCHARGING INTO SAID MIXING CHAMBER, A PASSAGEWAY LEADING FROM THE MIXING CHAMBER INTO A LOWER PORTION OF THE QUIESCENT CLARIFICATION CHAMBER, A SECOND PASSAGEWAY LEADING FROM A LOWER PART OF THE QUIESCENT CLARIFICATION CHAMBER INTO THE MIXING CHAMBER, SAID MIXING CHAMBER, SAID PASSAGEWAYS AND SAID LOWER PORTION OF SAID CLARIFICATION CHAMBER AFFORDING A CYCLIC PATH FOR LIQUID CIRCULATION WITHIN SAID TANK, INLET MEANS FOR DELIVERING ADDITIONAL STEAM TO LIQUID TRAVERSING SAID PATH OF CICULATION, A TREATED LIQUID OUTLET FROM THE UPPER PART OF THE QUIESCENT CLAIRFICATION CHAMBER, AND A SOLIDS OUTLET FROM A LOWER PART OF SAID TANK.
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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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |