Patent US2958635A successfully refreshed from Google Patents.
US2958635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic cell cover
Assignee: De Nora SpA
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Filing: 1957-12-24
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Granted: 1960-11-01
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Expires: 1977-12-24
Abstract
No abstract record available.
Inventors
- 👤 Nora Vittorio De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:31
CPC Classifications
C; C25; C25C; C25C7/00; 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
107 words
AN APPARATUS FOR CONDUCTING ELECTROLYSIS OF ELECTROLYTIC SOLUTION WHICH COMPRISES AN ELONGATED INCLINED TROUGH, UPRIGHT MEMBERS FASTENED TO THE SIDES OF SAID TROUGH, A METAL FRAME COMPRISING TRANSVERSE AND LONGITUDINAL MEMBERS, SAID TRANSVERSE MEMBERS RESTING ON SAID UPRIGHT MEMBERS AND ADJUSTABLE MEANS TO MAINTAIN SAID TRANSVERSE MEMBERS AT A SPECIFIED HEIGHT ABOVE SAID TROUGH, ANODES SUSPENDED FROM SAID TRANSVERSE MEMBERS OF SAID FRAME, A FLEXIBLE SHEET PLASTIC COVER ATTACHED TO THE SIDES OF SAID TROUGH, OPENINGS IN SAID COVER THROUGH WHICH SAID ANODES PROTRUDE, A MERCURY CATHODE FLOWING ALONG THE BOTTOM OF SAID TROUGH, AND MEANS FOR IMPOSING AN ELECTRICAL CURRENT ON SAID ANODES AND SAID CATHODE.
Claim 2
Independent Claim
107 words
AN APPARATUS FOR CONDUCTING ELECTROLYSIS OF ELECTROLYTIC SOLUTION WHICH COMPRISES AN ELONGATED INCLINED TROUGH, UPRIGHT MEMBERS FASTENED TO THE SIDES OF SAID TROUGH, A METAL FRAME COMPRISING TRANSVERSE AND LONGITUDINAL MEMBERS, SAID TRANSVERSE MEMBERS RESTING ON SAID UPRIGHT MEMBERS AND ADJUSTABLE MEANS TO MAINTAIN SAID TRANSVERSE MEMBERS AT A SPECIFIED HEIGHT ABOVE SAID TROUGH, ANODES SUSPENDED FROM SAID TRANSVERSE MEMBERS OF SAID FRAME, A FLEXIBLE SHEET PLASTIC COVER ATTACHED TO THE SIDES OF SAID TROUGH, OPENINGS IN SAID COVER THROUGH WHICH SAID ANODES PROTRUDE, A MERCURY CATHODE FLOWING ALONG THE BOTTOM OF SAID TROUGH, AND MEANS FOR IMPOSING AN ELECTRICAL CURRENT ON SAID ANODES AND SAID CATHODE.
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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |