Patent US3244612A successfully refreshed from Google Patents.
US3244612A
Expired / Lapsed
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Demineralization electrodes and fabrication techniques therefor
Assignee: Individual
•
Filing: 1961-11-29
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Granted: 1966-04-05
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 George W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:53
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/469; C02F1/4691; B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/48; C02F1/461; C02F1/46104; C02F1/46109; C02F1/42; C02F2001/46133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN ANION-RESPONSIVE ELECTRODE FOR A DEMINERALIZERATION CELL COMPRISING A POROUS, FIBROUS MATERIAL IMPREGNATED WITH A DISPERSION OF COLLOIDAL-SIZE PARTICLES OF CONDUCTIVE CARBON DISPERSED BY A WATER SOLUBLE ORGANIC POLYELECTROLYTE HAVING QUATERNIZED NITROGEN GROUPS WHICH DISPERSION-
Claim 2
Dependent Claim
35 words
AN ANION-RESPONSIVE ELECTRODE FOR A DEMINERALIZERATION CELL COMPRISING A POROUS, FIBROUS MATERIAL IMPREGNATED WITH A DISPERSION OF COLLOIDAL-SIZE PARTICLES OF CONDUCTIVE CARBON DISPERSED BY A WATER SOLUBLE ORGANIC POLYELECTROLYTE HAVING QUATERNIZED NITROGEN GROUPS WHICH DISPERSION-
References Cited (Backward Citations)
US3032600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |