Patent US2987463A successfully refreshed from Google Patents.
US2987463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High amperage diaphragm cell for the electrolysis of brine
Assignee: Diamond Shamrock Corp
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Filing: 1958-06-06
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Granted: 1961-06-06
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Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Jose C Baker
- 👤 Jr Christopher C Silsby
- 👤 John E Venable
- 👤 Henry R Wiesner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:06
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46; C25B9/00; C25B9/01; C25B9/015; C25B9/13; C25B9/17; C25B9/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN ELECTROLYTIC CELL FOR THE ELECTROLYSIS OF ALKALI METAL CHLORIDE SOLUTION COMPRISING A BASE MEMBER HAVING ASSOCIATED THEREWITH A PLURALITY OF ELECTRICALLY-CONDUCTIVE METALLIC GRID MEMBERS DEFINING A SERIES OF SPACED SLOTS THEREBETWEEN AND POSITIONED UPON SAID BASE MEMBER, ELECTRICALLY CONDUCTIVE OUTER SIDE WALLS AND INNER SIDE WALLS MOUNTED ON THE BASE, THE OUTER AND INNER SIDE WALLS WITH THE BASE DEFINING THEREBETWEEN A PERIPHERAL LIQUID-CONTAINING CHAMBER, THE INNER SIDE WALLS WITH THE BASE DEFINING AN INNER-LIQUID CONTAINING CHAMBER, A PLURALITY OF ANODES FIXED IN THE SLOTS BETWEEN SAID GRID MEMBERS UPON THE BASE MEMBER AND VERTICALLY DISPOSED WITHIN THE INNER CHAMBER, A PLURALITY OF HOLLOW, TUBULAR, FORAMINOUS ELECTRICALLY-CONDUCTIVE METAL CATHODES INTERPOSED BETWEEN THE ANODES, SAID TUBULAR CATHODES BEING HORIZONTALLY DISPOSED IN THE INNER CHAMBER AND EXTENDING COMPLETELY ACROSS THE CHAMBER AT LEAST FROM INNER SIDE WALL TO INNER SIDE WALL, THE TUBES OF SAID CATHODES DEFINING CATHOLYTE COMPARTMENTS THEREWITHIN, AND BEING FIXED
Claim 2
Dependent Claim
152 words
AN ELECTROLYTIC CELL FOR THE ELECTROLYSIS OF ALKALI METAL CHLORIDE SOLUTION COMPRISING A BASE MEMBER HAVING ASSOCIATED THEREWITH A PLURALITY OF ELECTRICALLY-CONDUCTIVE METALLIC GRID MEMBERS DEFINING A SERIES OF SPACED SLOTS THEREBETWEEN AND POSITIONED UPON SAID BASE MEMBER, ELECTRICALLY CONDUCTIVE OUTER SIDE WALLS AND INNER SIDE WALLS MOUNTED ON THE BASE, THE OUTER AND INNER SIDE WALLS WITH THE BASE DEFINING THEREBETWEEN A PERIPHERAL LIQUID-CONTAINING CHAMBER, THE INNER SIDE WALLS WITH THE BASE DEFINING AN INNER-LIQUID CONTAINING CHAMBER, A PLURALITY OF ANODES FIXED IN THE SLOTS BETWEEN SAID GRID MEMBERS UPON THE BASE MEMBER AND VERTICALLY DISPOSED WITHIN THE INNER CHAMBER, A PLURALITY OF HOLLOW, TUBULAR, FORAMINOUS ELECTRICALLY-CONDUCTIVE METAL CATHODES INTERPOSED BETWEEN THE ANODES, SAID TUBULAR CATHODES BEING HORIZONTALLY DISPOSED IN THE INNER CHAMBER AND EXTENDING COMPLETELY ACROSS THE CHAMBER AT LEAST FROM INNER SIDE WALL TO INNER SIDE WALL, THE TUBES OF SAID CATHODES DEFINING CATHOLYTE COMPARTMENTS THEREWITHIN, AND BEING FIXED
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |