US3308047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple tier inclined mercury cell
Assignee: De Nora SpA
•
Filing: 1962-10-31
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Granted: 1967-03-07
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Laub Henry William
- 👤 Messner Georg
- 👤 Loftfield Richard Eric
- 👤 Barbato Alexander Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:52
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; C25B11/033; C25B9/00; C25B9/005; C25B9/30; C25B9/303; C25B9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
IN A MULTIPLE TIER BIPOLAR ELECTROLYTIC CELL A PLURALITY OF CELL UNITS, EACH COMPRISING A CELL BOX HAVING AN EXPOSED ELECTRICALLY CONDUCTING METAL TOP AND AN INSULATION-LINED BOX-LIKE STRUCTURE BELOW SAID TOP FORMING THE ENCLOSURE FOR THE NEXT LOWER CELL IN THE TIER, INSULATED ANODE SUPPORT MEANS ELECTRICALLY CONNECTED TO AN PROJECTING DOWNWARD FROM THE TOP OF SAID INSULATION-LINED BOX-LIKE STRUCTURE, ANODES SUPPORTED FROM SAID INSULATED ANODE SUPPORT MEANS AND ELECTRICALLY CONNECTED TO AND SPACED FROM SAID ELECTRICALLY CONDUCTING METAL TOP OF SAID CELL AND FROM THE EXPOSED METAL BASE OF THE NEXT LOWER CELL UNIT IN SAID TIER, MEANS TO INTRODUCE MERCURY INTO EACH OF SAID CELL UNITS AND CAUSE IT TO FLOW OVER SAID ELECTRICALLY CONDUCTING METAL TOPS, MEANS TO INTRODUCE A BRINE SOLUTION INTO EACH OF SAID CELL UNITS AND MEANS TO WITHDRAW A DEPLETED BRINE SOLUTION FROM EACH OF SAID CELL UNITS, MEANS TO WITHDRAW MERCURY AMALGAM SEPARATELY FROM EACH OF SAID CELL UNITS, MEANS TO IMPRESS ELECTROLYZING CURRENT ACROSS EACH OF SAID CELL UNITS AND FROM SAID CELL TO CELL AND MEANS TO SUPPORT A PLURALITY OF SAID CELL UNITS IN ELECTRICAL CONTACT AND AT AN INCLINATION IN THE SAME DIRECTION OF BETWEEN ABOUT 2* AND ABOUT 85* TO THE HORIZONTAL.
Claim 2
Dependent Claim
206 words
IN A MULTIPLE TIER BIPOLAR ELECTROLYTIC CELL A PLURALITY OF CELL UNITS, EACH COMPRISING A CELL BOX HAVING AN EXPOSED ELECTRICALLY CONDUCTING METAL TOP AND AN INSULATION-LINED BOX-LIKE STRUCTURE BELOW SAID TOP FORMING THE ENCLOSURE FOR THE NEXT LOWER CELL IN THE TIER, INSULATED ANODE SUPPORT MEANS ELECTRICALLY CONNECTED TO AN PROJECTING DOWNWARD FROM THE TOP OF SAID INSULATION-LINED BOX-LIKE STRUCTURE, ANODES SUPPORTED FROM SAID INSULATED ANODE SUPPORT MEANS AND ELECTRICALLY CONNECTED TO AND SPACED FROM SAID ELECTRICALLY CONDUCTING METAL TOP OF SAID CELL AND FROM THE EXPOSED METAL BASE OF THE NEXT LOWER CELL UNIT IN SAID TIER, MEANS TO INTRODUCE MERCURY INTO EACH OF SAID CELL UNITS AND CAUSE IT TO FLOW OVER SAID ELECTRICALLY CONDUCTING METAL TOPS, MEANS TO INTRODUCE A BRINE SOLUTION INTO EACH OF SAID CELL UNITS AND MEANS TO WITHDRAW A DEPLETED BRINE SOLUTION FROM EACH OF SAID CELL UNITS, MEANS TO WITHDRAW MERCURY AMALGAM SEPARATELY FROM EACH OF SAID CELL UNITS, MEANS TO IMPRESS ELECTROLYZING CURRENT ACROSS EACH OF SAID CELL UNITS AND FROM SAID CELL TO CELL AND MEANS TO SUPPORT A PLURALITY OF SAID CELL UNITS IN ELECTRICAL CONTACT AND AT AN INCLINATION IN THE SAME DIRECTION OF BETWEEN ABOUT 2* AND ABOUT 85* TO THE HORIZONTAL.
References Cited (Backward Citations)
GB190101783A
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US2576553A
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US2627501A
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US2688594A
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US2719117A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |