US3654119A
Expired / Lapsed
US
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Oligodynamic treatment of liquids
Assignee: WHITE WATER INT Ltd
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Filing: 1970-10-12
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Granted: 1972-04-04
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Expires: 1990-10-12
Abstract
Abstract OLIGODYNAMIC TREATMENT WHEREIN THE LIQUIDS ARE PASSED OVER ELECTRODES EACH OF WHICH IS AN ALLOY OF COPPER AND SILVER. THE ELECTRODES ARE OPPOSITE POLES OF AN ELECTRICAL CIRCUIT HAVING MEANS FOR CHANGING POLARITY OF THE ELECTRODES AT PREDETERMINED INTERVALS.
Inventors
- 👤 Gordon F White
- 👤 Adam R Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:15
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4606; A; A61; A61L; A61L2/00; A61L2/16; A61L2/23; A61L2/238; C02F1/50; C02F1/505; H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/665; H03K17/666; H03K17/667; C02F2103/00; C02F2103/42
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References Cited (Backward Citations)
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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) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |