Patent US2528875A successfully refreshed from Google Patents.
US2528875A
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Process for making raw water ice
Assignee: Infilco Inc
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Filing: 1949-07-16
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Granted: 1950-11-07
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Expires: 1969-07-16
Abstract
No abstract record available.
Inventors
- 👤 Embshoff Arthur Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:40
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS OF MANUFACTURING RAW WATER ICE FROM AN ALKALINE RAW WATER CONTAINING METAL SALTS IN SOLUTION COMPRISING THE STEPS OF CONTACTING SAID WATER WITH HYDROGEN EXCHANGE MATERIAL, THEN SUBJECTING THE WATER TO AERATION TO REMOVE CARBON DIXOIDE THEREFROM, CONTACTING THE AERATED WATER WITH AN ANION EXCHANGE MATERIAL, THEN DEGASIFYING THE WATER BY VACUUM DEAERATION, AND THEREAFTER QUIESCENTLY FREEZING THE WATER IN SUBSTANTIALLY DEMINERALIZED AND GAS FREE CONDITION.
Claim 2
Dependent Claim
68 words
A PROCESS OF MANUFACTURING RAW WATER ICE FROM AN ALKALINE RAW WATER CONTAINING METAL SALTS IN SOLUTION COMPRISING THE STEPS OF CONTACTING SAID WATER WITH HYDROGEN EXCHANGE MATERIAL, THEN SUBJECTING THE WATER TO AERATION TO REMOVE CARBON DIXOIDE THEREFROM, CONTACTING THE AERATED WATER WITH AN ANION EXCHANGE MATERIAL, THEN DEGASIFYING THE WATER BY VACUUM DEAERATION, AND THEREAFTER QUIESCENTLY FREEZING THE WATER IN SUBSTANTIALLY DEMINERALIZED AND GAS FREE CONDITION.
References Cited (Backward Citations)
US460028A
Cited
US2208173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |