US3359196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodialysis device having tapered gasket thickness
Assignee: AMF Inc
•
Filing: 1965-07-19
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Granted: 1967-12-19
•
Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Chen William Kwo-Wei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:33
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/42; B01D61/44; B01D61/46; B01D61/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN AN ELECTRODIALYSIS DEVICE, A PAIR OF ELECTRODES AND A PLURALITY OF ION-PERMEABLE MEMBRANES AND INTERMEMBRANE GSKETS ARRANGED BETWEEN THE ELECTRODES AND PROVIDING ALTERNATE DILUTING AND CONCENTRATING COMPARTMENTS, EACH OF SAID COMPARTMENTS BEING PROVIDED WITH A FLUID INLET AND OUTLET, MEANS FOR CONNECTING THE FLUID INLETS AND OUTLETS OF SAID DILUTING AND CONCENTRATING COMPARTMENTS, AT LEAST SOME OF THE GASKETS BETWEEN MEMBRANE
Claim 2
Dependent Claim
62 words
IN AN ELECTRODIALYSIS DEVICE, A PAIR OF ELECTRODES AND A PLURALITY OF ION-PERMEABLE MEMBRANES AND INTERMEMBRANE GSKETS ARRANGED BETWEEN THE ELECTRODES AND PROVIDING ALTERNATE DILUTING AND CONCENTRATING COMPARTMENTS, EACH OF SAID COMPARTMENTS BEING PROVIDED WITH A FLUID INLET AND OUTLET, MEANS FOR CONNECTING THE FLUID INLETS AND OUTLETS OF SAID DILUTING AND CONCENTRATING COMPARTMENTS, AT LEAST SOME OF THE GASKETS BETWEEN MEMBRANE
References Cited (Backward Citations)
US2794777A
Cited
USRE25265E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |