Patent US2799643A successfully refreshed from Google Patents.
US2799643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell
Assignee: Columbia Southern Chemical Corp
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Filing: 1954-04-09
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Granted: 1957-07-16
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Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Carl W Raetzsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:27
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
AN ELECTROLYTIC CELL WHICH COMPRISES AN ELECTROLYTE CHAMBER, GROUPS OF SPACED, SUBSTSANTIALLY PARALLET, VERTICALLY DISPOSED LINES OF CARBON ELECTRODE SEGMENTS EXTENDING IN END TO END RELATION FROM ONE END OF THE CHAMBER TO THE OTHER, REMOVABLE NONCONDUCTING SEPARATORS BETWEEN THE ENDS OF THE SEGMENTS PREVENTING SUBSTANTIAL CURRENT FLOW DIRECTLY BETWEEN ADJACENT SEGMENTS AND HAVING OPPOSED SLOTS WHICH ENGAGE THE ENDS OF ADJACENT SEGMENTS, FURTHER GROUPS OF SPACED, SUBSTANTIALLY PARALLEL, VERTICALLY DISPOSED LINES OF CARBON ELECRODE SEGMENTS DISPOSED IN END TO END RELATION FROM ONE END OF THE CHAMBER TO THE OTHER, A SIDE FACE OF EACH OF SUCH FURTHER GROUP BEING DISPOSED OPPOSITE AND SUBSTANTIALLY PARALLEL MENTS, THE ENDS OF THE ELECTRODE SEGMENTS OF THE SECOND GROUPS EXTENDING BEYOND THE ENDS OF THE ELECTRODE SEGMENTS OF THE FIRST GROUPS AND THE SAID FACES OF SAID ELECTRODES BEARING AGAINST THE SEPARATORS OF THE FIRST GROUP AND FORMING CELL UNITS FOR ACCOMMODATION OF ELECTROLYTE, AND MEANS TO ESTABLISH AN ELECTRIC POTENTIAL BETWEEN THE FIRST GROUP AND SECOND GROUP ELECTRODE SEGMENTS.
Claim 2
Dependent Claim
168 words
AN ELECTROLYTIC CELL WHICH COMPRISES AN ELECTROLYTE CHAMBER, GROUPS OF SPACED, SUBSTSANTIALLY PARALLET, VERTICALLY DISPOSED LINES OF CARBON ELECTRODE SEGMENTS EXTENDING IN END TO END RELATION FROM ONE END OF THE CHAMBER TO THE OTHER, REMOVABLE NONCONDUCTING SEPARATORS BETWEEN THE ENDS OF THE SEGMENTS PREVENTING SUBSTANTIAL CURRENT FLOW DIRECTLY BETWEEN ADJACENT SEGMENTS AND HAVING OPPOSED SLOTS WHICH ENGAGE THE ENDS OF ADJACENT SEGMENTS, FURTHER GROUPS OF SPACED, SUBSTANTIALLY PARALLEL, VERTICALLY DISPOSED LINES OF CARBON ELECRODE SEGMENTS DISPOSED IN END TO END RELATION FROM ONE END OF THE CHAMBER TO THE OTHER, A SIDE FACE OF EACH OF SUCH FURTHER GROUP BEING DISPOSED OPPOSITE AND SUBSTANTIALLY PARALLEL MENTS, THE ENDS OF THE ELECTRODE SEGMENTS OF THE SECOND GROUPS EXTENDING BEYOND THE ENDS OF THE ELECTRODE SEGMENTS OF THE FIRST GROUPS AND THE SAID FACES OF SAID ELECTRODES BEARING AGAINST THE SEPARATORS OF THE FIRST GROUP AND FORMING CELL UNITS FOR ACCOMMODATION OF ELECTROLYTE, AND MEANS TO ESTABLISH AN ELECTRIC POTENTIAL BETWEEN THE FIRST GROUP AND SECOND GROUP ELECTRODE SEGMENTS.
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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |