US3287248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical cell including a tubular foraminous partition
Assignee: ChampionX LLC
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Filing: 1962-08-31
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Granted: 1966-11-22
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 David G Braithwaite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:25
CPC Classifications
C; C25; C25B; C25B13/00; C25B13/04; C25B13/08; C07; C07F; C07F7/00; C07F7/24; C25B11/00; C25B11/02; C25B13/02; C25B3/00; C25B3/01; C25B3/13; C25B9/00; C25B9/40; C25B9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN AN ELECTROLYTIC CELL HAVING A FIRST ELECTRODE IN THE FORM OF A TUBE AND A SECOND ELECTRODE IN THE FORM OF PARTICLES, AND A FORAMINOUS PARTITION IN CONTACT WITH THE INNER SURFACE OF SAID FIRST ELECTRODE AND THE OUTER BOUNDARIES OF SAID PARTICLES, SAID FORAMINOUS PARTITION COMPRISING A TUBULAR, CHEMICALLY INERT, ELECTRICALLY NON-CONDUCTIVE MATERIAL HAVING OPENINGS THEREIN FORMED FROM FILAMENTS OVERLAPPING ONE ANOTHER, SAID FILAMENTS RUNNING OBLIQUELY WITH RESPECT TO THE LONGITUDINAL AXIS OF
Claim 2
Dependent Claim
75 words
IN AN ELECTROLYTIC CELL HAVING A FIRST ELECTRODE IN THE FORM OF A TUBE AND A SECOND ELECTRODE IN THE FORM OF PARTICLES, AND A FORAMINOUS PARTITION IN CONTACT WITH THE INNER SURFACE OF SAID FIRST ELECTRODE AND THE OUTER BOUNDARIES OF SAID PARTICLES, SAID FORAMINOUS PARTITION COMPRISING A TUBULAR, CHEMICALLY INERT, ELECTRICALLY NON-CONDUCTIVE MATERIAL HAVING OPENINGS THEREIN FORMED FROM FILAMENTS OVERLAPPING ONE ANOTHER, SAID FILAMENTS RUNNING OBLIQUELY WITH RESPECT TO THE LONGITUDINAL AXIS OF
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |