Patent US3236757A successfully refreshed from Google Patents.
US3236757A
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Method and apparatus for reclamation of water
Assignee: Individual
•
Filing: 1962-05-11
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Granted: 1966-02-22
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Peter S Litt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:19
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/46104; C02F1/46109; C02F1/469; C02F1/4691; C02F2001/46119; C02F2001/46123; C02F2001/46133; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
THE PROCESS OF PURIFYING A SOLUTION CONTAMINATED WITH IONIC PARTICLES COMPRISING CREATING BY THE FLOW OF ELECTRICAL CURRENT THROUGH A QUIESCENT PORTION OF THE SOLUTION A FIELD OF CONFINED IONIC ACTIVITY, PROGESSIVELY WITHDRAWING AND COLLECTING IONIC PARTICLES FROM SAID FIELD OF CONFINED IONIC ACTIVITY AND REMOVING SAID COLLECTED IONIC PARTICLES PHYSICALLY FROM THE SOLUTION, SIMULTANEOUSLY EXTRACTING WATER FROM SAID FIELD OF CON-
Claim 2
Dependent Claim
62 words
THE PROCESS OF PURIFYING A SOLUTION CONTAMINATED WITH IONIC PARTICLES COMPRISING CREATING BY THE FLOW OF ELECTRICAL CURRENT THROUGH A QUIESCENT PORTION OF THE SOLUTION A FIELD OF CONFINED IONIC ACTIVITY, PROGESSIVELY WITHDRAWING AND COLLECTING IONIC PARTICLES FROM SAID FIELD OF CONFINED IONIC ACTIVITY AND REMOVING SAID COLLECTED IONIC PARTICLES PHYSICALLY FROM THE SOLUTION, SIMULTANEOUSLY EXTRACTING WATER FROM SAID FIELD OF CON-
References Cited (Backward Citations)
US495242A
Cited
US1102769A
Cited
US1222637A
Cited
AT97694B
Cited
US1746964A
Cited
GB482141A
Cited
US2158595A
Cited
US2318919A
Cited
US2358981A
Cited
US2566308A
Cited
US2555487A
Cited
GB716875A
Cited
US2944952A
Cited
US2839463A
Cited
US2852453A
Cited
US2879217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |