US3271289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury cathode electrolytic cell having an anode with high corrosionresistance and high electrical and heat conductivity
Assignee: De Nora SpA
•
Filing: 1963-10-10
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Granted: 1966-09-06
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Messner Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:26
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02; C; C25; C25B; C25B11/00; C25B11/02; C25B11/033; C25B9/00; C25B9/30; C25B9/303; C25B9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN COMBINATION WITH AN ELECTROLYTIC CELL HAVING FOUR SIDES, A BASE AND A COVER, MEANS TO INTRODUCE AN ELECTROLYTE SOLUTION INTO SAID CELL, MEANS TO FLOW MERCURY OVER SAID BASE, AND MEANS TO PROVIDE ANODIC AND CATHODIC CURRENT TO SAID CELL; AN ANODE ASSEMBLY COMPRISING COPPER SUPPORTING MEANS DEPENDING FROM SAID COVER AND ACTING AS CONDUCTIVE MEMBERS, A SUBSTANTIALLY HORIZONTAL COPPER ANODE SUPPORT PLATE, HAVING OPENINGS THERETHROUGH CONNECTED TO SAID DEPENDING COPPER CONDUCTIVE MEMBERS, TITANIUM CONNECTING MEANS ATTACHED TO THE LOWER FACE OF
Claim 2
Dependent Claim
83 words
IN COMBINATION WITH AN ELECTROLYTIC CELL HAVING FOUR SIDES, A BASE AND A COVER, MEANS TO INTRODUCE AN ELECTROLYTE SOLUTION INTO SAID CELL, MEANS TO FLOW MERCURY OVER SAID BASE, AND MEANS TO PROVIDE ANODIC AND CATHODIC CURRENT TO SAID CELL; AN ANODE ASSEMBLY COMPRISING COPPER SUPPORTING MEANS DEPENDING FROM SAID COVER AND ACTING AS CONDUCTIVE MEMBERS, A SUBSTANTIALLY HORIZONTAL COPPER ANODE SUPPORT PLATE, HAVING OPENINGS THERETHROUGH CONNECTED TO SAID DEPENDING COPPER CONDUCTIVE MEMBERS, TITANIUM CONNECTING MEANS ATTACHED TO THE LOWER FACE OF
References Cited (Backward Citations)
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |