US3002914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of electrodes for electrolysis of aqueous solutions by the mercury process
Assignee: Solvay SA
•
Filing: 1957-05-14
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Granted: 1961-10-03
•
Expires: 1977-05-14
Abstract
No abstract record available.
Inventors
- 👤 Clement Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:31
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN AN ELECTROLYTIC CELL HAVING A MOBILE MERCURY CATHODE, A SUPPORT FOR SAID MERCURY COMPRISING A METALLIC BASE PLATE HAVING UPON ITS MERCURY-CONTACTING SURFACE AN ELECTRO-DEPOSITED COATING OF SOFT IRON HAVING A THICKNESS UP TO 0.9 MM.
Claim 2
Dependent Claim
37 words
IN AN ELECTROLYTIC CELL HAVING A MOBILE MERCURY CATHODE, A SUPPORT FOR SAID MERCURY COMPRISING A METALLIC BASE PLATE HAVING UPON ITS MERCURY-CONTACTING SURFACE AN ELECTRO-DEPOSITED COATING OF SOFT IRON HAVING A THICKNESS UP TO 0.9 MM.
References Cited (Backward Citations)
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GB190216358A
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US1030490A
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US2538991A
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US2745800A
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US2728693A
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US2849393A
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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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |